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10664892057 = 3232934191259
BaseRepresentation
bin10011110111010110…
…10101011010011001
31000112020212122120010
421323223111122121
5133320203021212
64522133352133
7525200041521
oct117353253231
930466778503
1010664892057
114583065286
122097798649
13100c686921
1473259c681
1542644803c
hex27bad5699

10664892057 has 32 divisors (see below), whose sum is σ = 14936140800. Its totient is φ = 6756043712.

The previous prime is 10664892041. The next prime is 10664892061. The reversal of 10664892057 is 75029846601.

It is a cyclic number.

It is not a de Polignac number, because 10664892057 - 24 = 10664892041 is a prime.

It is a super-2 number, since 2×106648920572 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10664891997 and 10664892015.

It is not an unprimeable number, because it can be changed into a prime (10664892257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8470294 + ... + 8471552.

It is an arithmetic number, because the mean of its divisors is an integer number (466754400).

Almost surely, 210664892057 is an apocalyptic number.

It is an amenable number.

10664892057 is a deficient number, since it is larger than the sum of its proper divisors (4271248743).

10664892057 is a wasteful number, since it uses less digits than its factorization.

10664892057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997.

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

The spelling of 10664892057 in words is "ten billion, six hundred sixty-four million, eight hundred ninety-two thousand, fifty-seven".

Divisors: 1 3 23 69 293 419 879 1257 1259 3777 6739 9637 20217 28911 28957 86871 122767 368301 368887 527521 1106661 1582563 2823641 8470923 8484401 12132983 25453203 36398949 154563653 463690959 3554964019 10664892057