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131232402020112 = 2434876529859853
BaseRepresentation
bin11101110101101011101100…
…101101001001011100010000
3122012122200202201211120021020
4131311223230231021130100
5114200102424404120422
61143035155550155440
736433141155062451
oct3565535455113420
9565580681746236
10131232402020112
11388a639279a638
1212875875ab2b80
13582c215a7a253
142459979b59128
1510289c8bd295c
hex775aecb49710

131232402020112 has 80 divisors (see below), whose sum is σ = 339765598669440. Its totient is φ = 43647573344256.

The previous prime is 131232402020089. The next prime is 131232402020131. The reversal of 131232402020112 is 211020204232131.

It is a super-2 number, since 2×1312324020201122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152191978 + ... + 153051830.

It is an arithmetic number, because the mean of its divisors is an integer number (4247069983368).

Almost surely, 2131232402020112 is an apocalyptic number.

131232402020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131232402020112 is an abundant number, since it is smaller than the sum of its proper divisors (208533196649328).

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

131232402020112 is a wasteful number, since it uses less digits than its factorization.

131232402020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866880 (or 866874 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 131232402020112 its reverse (211020204232131), we get a palindrome (342252606252243).

The spelling of 131232402020112 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, four hundred two million, twenty thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 487 974 1461 1948 2922 3896 5844 6529 7792 11688 13058 19587 23376 26116 39174 52232 78348 104464 156696 313392 859853 1719706 2579559 3179623 3439412 5159118 6359246 6878824 9538869 10318236 12718492 13757648 19077738 20636472 25436984 38155476 41272944 50873968 76310952 152621904 418748411 837496822 1256245233 1674993644 2512490466 3349987288 5024980932 5613980237 6699974576 10049961864 11227960474 16841940711 20099923728 22455920948 33683881422 44911841896 67367762844 89823683792 134735525688 269471051376 2734008375419 5468016750838 8202025126257 10936033501676 16404050252514 21872067003352 32808100505028 43744134006704 65616201010056 131232402020112