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10688055839 = 171869133637
BaseRepresentation
bin10011111010000111…
…01100101000011111
31000120212110111021222
421331003230220133
5133342120241324
64524322043555
7525600655436
oct117503545037
930525414258
1010688055839
1145951465aa
1220a34a95bb
1310144070c6
147356ac11d
154284c155e
hex27d0eca1f

10688055839 has 8 divisors (see below), whose sum is σ = 11317706928. Its totient is φ = 10058509440.

The previous prime is 10688055827. The next prime is 10688055841. The reversal of 10688055839 is 93855088601.

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 10688055839 - 220 = 10687007263 is a prime.

It is a super-2 number, since 2×106880558392 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688052839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300929 + ... + 334565.

It is an arithmetic number, because the mean of its divisors is an integer number (1414713366).

Almost surely, 210688055839 is an apocalyptic number.

10688055839 is a deficient number, since it is larger than the sum of its proper divisors (629651089).

10688055839 is a wasteful number, since it uses less digits than its factorization.

10688055839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52345.

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 10688055839 in words is "ten billion, six hundred eighty-eight million, fifty-five thousand, eight hundred thirty-nine".

Divisors: 1 17 18691 33637 317747 571829 628709167 10688055839