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10666838767 = 137383913397
BaseRepresentation
bin10011110111100101…
…10000101011101111
31000112101112112221111
421323302300223233
5133321202320032
64522243212451
7525222430204
oct117362605357
930471475844
1010666838767
114584174932
122098377127
13100cbb8a20
14732947cab
154266cec47
hex27bcb0aef

10666838767 has 16 divisors (see below), whose sum is σ = 11659475520. Its totient is φ = 9699132672.

The previous prime is 10666838737. The next prime is 10666838789. The reversal of 10666838767 is 76783866601.

It is a cyclic number.

It is not a de Polignac number, because 10666838767 - 215 = 10666805999 is a prime.

It is a super-2 number, since 2×106668387672 (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 (10666838737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789513 + ... + 802909.

It is an arithmetic number, because the mean of its divisors is an integer number (728717220).

Almost surely, 210666838767 is an apocalyptic number.

10666838767 is a deficient number, since it is larger than the sum of its proper divisors (992636753).

10666838767 is a wasteful number, since it uses less digits than its factorization.

10666838767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14322.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 10666838767 in words is "ten billion, six hundred sixty-six million, eight hundred thirty-eight thousand, seven hundred sixty-seven".

Divisors: 1 13 73 839 949 10907 13397 61247 174161 796211 977981 11240083 12713753 146121079 820526059 10666838767