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212572705252056 = 23328513106698019
BaseRepresentation
bin110000010101010101110000…
…100101011110001011011000
31000212122202022022200100122120
4300111111300211132023120
5210330242400021031211
62032034315212421240
762526604541545452
oct6025256045361330
91025582268610576
10212572705252056
116180663a3a0616
121ba12020a77820
13917c69b849026
143a6c80683b2d2
151989785974d06
hexc1557095e2d8

212572705252056 has 32 divisors (see below), whose sum is σ = 531618165182400. Its totient is φ = 70832714810400.

The previous prime is 212572705252021. The next prime is 212572705252057. The reversal of 212572705252056 is 650252507275212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212572705252057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553280586 + ... + 1553417433.

It is an arithmetic number, because the mean of its divisors is an integer number (16613067661950).

Almost surely, 2212572705252056 is an apocalyptic number.

It is an amenable number.

212572705252056 is an abundant number, since it is smaller than the sum of its proper divisors (319045459930344).

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

212572705252056 is a wasteful number, since it uses less digits than its factorization.

212572705252056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106700879 (or 3106700875 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 51.

The spelling of 212572705252056 in words is "two hundred twelve trillion, five hundred seventy-two billion, seven hundred five million, two hundred fifty-two thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 2851 5702 8553 11404 17106 22808 34212 68424 3106698019 6213396038 9320094057 12426792076 18640188114 24853584152 37280376228 74560752456 8857196052169 17714392104338 26571588156507 35428784208676 53143176313014 70857568417352 106286352626028 212572705252056