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2921147792108 = 227138025131297
BaseRepresentation
bin101010100000100001111…
…110011111101011101100
3101100020222210221002012222
4222200201332133223230
5340330002313321413
610113542355014512
7421021523356130
oct52404176375354
911306883832188
102921147792108
11a26940857917
123b217a59a438
13182603440220
14a155477b3c0
1550ebbdebb08
hex2a821f9faec

2921147792108 has 24 divisors (see below), whose sum is σ = 6291702937632. Its totient is φ = 1155618906624.

The previous prime is 2921147792107. The next prime is 2921147792159. The reversal of 2921147792108 is 8012977411292.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2921147792108.

It is not an unprimeable number, because it can be changed into a prime (2921147792107) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4012565285 + ... + 4012566012.

It is an arithmetic number, because the mean of its divisors is an integer number (262154289068).

Almost surely, 22921147792108 is an apocalyptic number.

2921147792108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2921147792108 is an abundant number, since it is smaller than the sum of its proper divisors (3370555145524).

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

2921147792108 is a wasteful number, since it uses less digits than its factorization.

2921147792108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025131321 (or 8025131319 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 2921147792108 in words is "two trillion, nine hundred twenty-one billion, one hundred forty-seven million, seven hundred ninety-two thousand, one hundred eight".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 8025131297 16050262594 32100525188 56175919079 104326706861 112351838158 208653413722 224703676316 417306827444 730286948027 1460573896054 2921147792108