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10597621989 = 329157775871
BaseRepresentation
bin10011101111010101…
…01110000011100101
31000100120021222101010
421313222232003211
5133200442400424
64511331452433
7523422205053
oct116752560345
930316258333
1010597621989
114549099289
122079157119
13ccb762856
1472768b1d3
154205ab229
hex277aae0e5

10597621989 has 16 divisors (see below), whose sum is σ = 14710533120. Its totient is φ = 6778000320.

The previous prime is 10597621987. The next prime is 10597621999. The reversal of 10597621989 is 98912679501.

It is not a de Polignac number, because 10597621989 - 21 = 10597621987 is a prime.

It is a super-2 number, since 2×105976219892 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10597621987) 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 15 ways as a sum of consecutive naturals, for example, 374277 + ... + 401594.

It is an arithmetic number, because the mean of its divisors is an integer number (919408320).

Almost surely, 210597621989 is an apocalyptic number.

It is an amenable number.

10597621989 is a deficient number, since it is larger than the sum of its proper divisors (4112911131).

10597621989 is a wasteful number, since it uses less digits than its factorization.

10597621989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776060.

The product of its (nonzero) digits is 2449440, while the sum is 57.

The spelling of 10597621989 in words is "ten billion, five hundred ninety-seven million, six hundred twenty-one thousand, nine hundred eighty-nine".

Divisors: 1 3 29 87 157 471 4553 13659 775871 2327613 22500259 67500777 121811747 365435241 3532540663 10597621989