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131331420552032 = 2529366373862787
BaseRepresentation
bin11101110111000111111010…
…101010110111101101100000
3122020000011100111200011102022
4131313013322222313231200
5114203213222130131112
61143152453253041012
736443245013523131
oct3567077252675540
9566004314604368
10131331420552032
113893438510a198
1212890aab026168
13583866613a93c
1424606906d3c88
15102b371b9bd72
hex7771faab7b60

131331420552032 has 48 divisors (see below), whose sum is σ = 267481922546160. Its totient is φ = 63399628497408.

The previous prime is 131331420552001. The next prime is 131331420552113. The reversal of 131331420552032 is 230255024133131.

It is a junction number, because it is equal to n+sod(n) for n = 131331420551983 and 131331420552001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32067743 + ... + 35930529.

It is an arithmetic number, because the mean of its divisors is an integer number (5572540053045).

Almost surely, 2131331420552032 is an apocalyptic number.

It is an amenable number.

131331420552032 is an abundant number, since it is smaller than the sum of its proper divisors (136150501994128).

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

131331420552032 is a wasteful number, since it uses less digits than its factorization.

131331420552032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899463 (or 3899455 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 131331420552032 its reverse (230255024133131), we get a palindrome (361586444685163).

The spelling of 131331420552032 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, four hundred twenty million, five hundred fifty-two thousand, thirty-two".

Divisors: 1 2 4 8 16 29 32 58 116 232 464 928 36637 73274 146548 293096 586192 1062473 1172384 2124946 3862787 4249892 7725574 8499784 15451148 16999568 30902296 33999136 61804592 112020823 123609184 224041646 448083292 896166584 1792333168 3584666336 141520927319 283041854638 566083709276 1132167418552 2264334837104 4104106892251 4528669674208 8208213784502 16416427569004 32832855138008 65665710276016 131331420552032