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68125922117 = 1113147276837
BaseRepresentation
bin111111011100100111…
…110001001101000101
320111211210221102022122
4333130213301031011
52104010214001432
651144022535325
74631136532511
oct773447611505
9214753842278
1068125922117
112698a341680
1211253297545
1365690bb926
143423b79141
151b8ad23612
hexfdc9f1345

68125922117 has 8 divisors (see below), whose sum is σ = 74886511392. Its totient is φ = 61459886800.

The previous prime is 68125922107. The next prime is 68125922129. The reversal of 68125922117 is 71122952186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68125922117 - 24 = 68125922101 is a prime.

It is a super-2 number, since 2×681259221172 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68125922107) 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, 23636978 + ... + 23639859.

It is an arithmetic number, because the mean of its divisors is an integer number (9360813924).

Almost surely, 268125922117 is an apocalyptic number.

It is an amenable number.

68125922117 is a deficient number, since it is larger than the sum of its proper divisors (6760589275).

68125922117 is a wasteful number, since it uses less digits than its factorization.

68125922117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47276979.

The product of its digits is 120960, while the sum is 44.

The spelling of 68125922117 in words is "sixty-eight billion, one hundred twenty-five million, nine hundred twenty-two thousand, one hundred seventeen".

Divisors: 1 11 131 1441 47276837 520045207 6193265647 68125922117