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68007040104 = 2332833626671
BaseRepresentation
bin111111010101100010…
…010001010001101000
320111112112020120212010
4333111202101101220
52103234300240404
651124134515520
74625164205643
oct772542212150
9214475216763
1068007040104
1126929223883
121121b505ba0
13654a596843
143412070a5a
151b8068e189
hexfd5891468

68007040104 has 16 divisors (see below), whose sum is σ = 170017600320. Its totient is φ = 22669013360.

The previous prime is 68007040103. The next prime is 68007040151. The reversal of 68007040104 is 40104070086.

It is not an unprimeable number, because it can be changed into a prime (68007040103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416813312 + ... + 1416813359.

It is an arithmetic number, because the mean of its divisors is an integer number (10626100020).

Almost surely, 268007040104 is an apocalyptic number.

It is an amenable number.

68007040104 is an abundant number, since it is smaller than the sum of its proper divisors (102010560216).

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

68007040104 is a wasteful number, since it uses less digits than its factorization.

68007040104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833626680 (or 2833626676 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The spelling of 68007040104 in words is "sixty-eight billion, seven million, forty thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 2833626671 5667253342 8500880013 11334506684 17001760026 22669013368 34003520052 68007040104