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105291524394 = 23271752319397
BaseRepresentation
bin110001000001111011…
…1010010100100101010
3101001202221120122002200
41202003313102210222
53211114112240034
6120211550441030
710415136122220
oct1420367224452
9331687518080
10105291524394
1140721358761
12184a5b03176
139c0cb8c374
14514bb2ab10
152b13a78a99
hex1883dd292a

105291524394 has 96 divisors (see below), whose sum is σ = 276140606976. Its totient is φ = 28305262080.

The previous prime is 105291524381. The next prime is 105291524413. The reversal of 105291524394 is 493425192501.

It is a happy number.

105291524394 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 91 + 524 + 39 + 4 = 666.

It is a super-2 number, since 2×1052915243942 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 11200104 + ... + 11209500.

It is an arithmetic number, because the mean of its divisors is an integer number (2876464656).

Almost surely, 2105291524394 is an apocalyptic number.

105291524394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105291524394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138070303488).

105291524394 is an abundant number, since it is smaller than the sum of its proper divisors (170849082582).

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

105291524394 is a wasteful number, since it uses less digits than its factorization.

105291524394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14660 (or 14657 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 105291524394 in words is "one hundred five billion, two hundred ninety-one million, five hundred twenty-four thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 17 18 21 34 42 51 63 102 119 126 153 238 306 357 714 1071 2142 5231 9397 10462 15693 18794 28191 31386 36617 47079 56382 65779 73234 84573 88927 94158 109851 131558 159749 169146 177854 197337 219702 266781 319498 329553 394674 479247 533562 592011 622489 659106 800343 958494 1118243 1184022 1244978 1437741 1600686 1867467 2236486 2875482 3354729 3734934 5602401 6709458 10064187 11204802 20128374 49155707 98311414 147467121 294934242 344089949 442401363 688179898 835647019 884802726 1032269847 1671294038 2064539694 2506941057 3096809541 5013882114 5849529133 6193619082 7520823171 11699058266 15041646342 17548587399 35097174798 52645762197 105291524394