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68090124567 = 343547996337
BaseRepresentation
bin111111011010011111…
…001101100100010111
320111202022120201022110
4333122133031210113
52103422032441232
651140303402103
74630223336463
oct773237154427
9214668521273
1068090124567
1126971111423
12112432b3333
136561866b4a
14341d0db4a3
151b87b01acc
hexfda7cd917

68090124567 has 16 divisors (see below), whose sum is σ = 92916074240. Its totient is φ = 44329203072.

The previous prime is 68090124547. The next prime is 68090124587. The reversal of 68090124567 is 76542109086.

It is an interprime number because it is at equal distance from previous prime (68090124547) and next prime (68090124587).

It is not a de Polignac number, because 68090124567 - 224 = 68073347351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68090124547) 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 15 ways as a sum of consecutive naturals, for example, 658623 + ... + 754959.

It is an arithmetic number, because the mean of its divisors is an integer number (5807254640).

Almost surely, 268090124567 is an apocalyptic number.

68090124567 is a deficient number, since it is larger than the sum of its proper divisors (24825949673).

68090124567 is a wasteful number, since it uses less digits than its factorization.

68090124567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101862.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 68090124567 in words is "sixty-eight billion, ninety million, one hundred twenty-four thousand, five hundred sixty-seven".

Divisors: 1 3 43 129 5479 16437 96337 235597 289011 706791 4142491 12427473 527830423 1583491269 22696708189 68090124567