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180812016528 = 2431113110923753
BaseRepresentation
bin1010100001100100111…
…1000110101110010000
3122021201002201010111220
42220121033012232100
510430300334012103
6215021445005040
716030455532143
oct2503117065620
9567632633456
10180812016528
116a755740220
122b0616b3780
1314086c43ac0
148a739b205a
154a83b55c53
hex2a193c6b90

180812016528 has 160 divisors (see below), whose sum is σ = 549276094080. Its totient is φ = 50529054720.

The previous prime is 180812016527. The next prime is 180812016557. The reversal of 180812016528 is 825610218081.

180812016528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 180812016528.

It is not an unprimeable number, because it can be changed into a prime (180812016527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7600300 + ... + 7624052.

It is an arithmetic number, because the mean of its divisors is an integer number (3432975588).

Almost surely, 2180812016528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180812016528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274638047040).

180812016528 is an abundant number, since it is smaller than the sum of its proper divisors (368464077552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180812016528 is a wasteful number, since it uses less digits than its factorization.

180812016528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24897 (or 24891 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 42.

The spelling of 180812016528 in words is "one hundred eighty billion, eight hundred twelve million, sixteen thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 13 16 22 24 26 33 39 44 48 52 66 78 88 104 132 143 156 176 208 264 286 312 429 528 572 624 858 1109 1144 1716 2218 2288 3327 3432 4436 6654 6864 8872 12199 13308 14417 17744 23753 24398 26616 28834 36597 43251 47506 48796 53232 57668 71259 73194 86502 95012 97592 115336 142518 146388 158587 173004 190024 195184 230672 261283 285036 292776 308789 317174 346008 380048 475761 522566 570072 585552 617578 634348 692016 783849 926367 951522 1045132 1140144 1235156 1268696 1567698 1852734 1903044 2090264 2470312 2537392 3135396 3396679 3705468 3806088 4180528 4940624 6270792 6793358 7410936 7612176 10190037 12541584 13586716 14821872 20380074 26342077 27173432 40760148 52684154 54346864 79026231 81520296 105368308 158052462 163040592 210736616 289762847 316104924 342447001 421473232 579525694 632209848 684894002 869288541 1027341003 1159051388 1264419696 1369788004 1738577082 2054682006 2318102776 2739576008 3477154164 3766917011 4109364012 4636205552 5479152016 6954308328 7533834022 8218728024 11300751033 13908616656 15067668044 16437456048 22601502066 30135336088 45203004132 60270672176 90406008264 180812016528