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210912132525388 = 22727999913451197
BaseRepresentation
bin101111111101001011001110…
…101111001110110101001100
31000122210000002011010112122021
4233331023032233032311030
5210121041021411303023
62024323410204055524
762265620155345600
oct5775131657166514
91018700064115567
10210912132525388
1161226373385048
121b7a42265345a4
13908bc0c6290b8
143a122b75b3500
15195b49670b35d
hexbfd2cebced4c

210912132525388 has 36 divisors (see below), whose sum is σ = 429362240160000. Its totient is φ = 90389777319072.

The previous prime is 210912132525383. The next prime is 210912132525389. The reversal of 210912132525388 is 883525231219012.

It is not an unprimeable number, because it can be changed into a prime (210912132525383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8954206 + ... + 22405402.

Almost surely, 2210912132525388 is an apocalyptic number.

210912132525388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

210912132525388 is an abundant number, since it is smaller than the sum of its proper divisors (218450107634612).

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

210912132525388 is a wasteful number, since it uses less digits than its factorization.

210912132525388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13531214 (or 13531205 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 52.

The spelling of 210912132525388 in words is "two hundred ten trillion, nine hundred twelve billion, one hundred thirty-two million, five hundred twenty-five thousand, three hundred eighty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 79999 159998 319996 559993 1119986 2239972 3919951 7839902 13451197 15679804 26902394 53804788 94158379 188316758 376633516 659108653 1318217306 2636434612 1076082308803 2152164617606 4304329235212 7532576161621 15065152323242 30130304646484 52728033131347 105456066262694 210912132525388