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2531972283756 = 223210997690313
BaseRepresentation
bin100100110110000101010…
…011101111110101101100
322222001110111112212021020
4210312011103233311230
5312440434401040011
65215101053134140
7350633430210606
oct44660523576554
98861414485236
102531972283756
11896892389293
1234a86848a350
131549c1568c36
148a796040176
1545ce0975006
hex24d854efd6c

2531972283756 has 12 divisors (see below), whose sum is σ = 5907935328792. Its totient is φ = 843990761248.

The previous prime is 2531972283749. The next prime is 2531972283769. The reversal of 2531972283756 is 6573822791352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2531972283756.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105498845145 + ... + 105498845168.

It is an arithmetic number, because the mean of its divisors is an integer number (492327944066).

Almost surely, 22531972283756 is an apocalyptic number.

It is an amenable number.

2531972283756 is an abundant number, since it is smaller than the sum of its proper divisors (3375963045036).

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

2531972283756 is a wasteful number, since it uses less digits than its factorization.

2531972283756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210997690320 (or 210997690318 counting only the distinct ones).

The product of its digits is 38102400, while the sum is 60.

The spelling of 2531972283756 in words is "two trillion, five hundred thirty-one billion, nine hundred seventy-two million, two hundred eighty-three thousand, seven hundred fifty-six".

Divisors: 1 2 3 4 6 12 210997690313 421995380626 632993070939 843990761252 1265986141878 2531972283756