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9957146829 = 371074431307
BaseRepresentation
bin10010100010111111…
…00000000011001101
3221200221010110121220
421101133200003031
5130343012144304
64324012113553
7501514231410
oct112137400315
927627113556
109957146829
11424a605873
121b1a7658b9
13c28b65076
146a65a9b77
153d4245ad9
hex2517e00cd

9957146829 has 16 divisors (see below), whose sum is σ = 15314600448. Its totient is φ = 5636621232.

The previous prime is 9957146809. The next prime is 9957146831. The reversal of 9957146829 is 9286417599.

It is not a de Polignac number, because 9957146829 - 219 = 9956622541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957146809) 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, 2213407 + ... + 2217900.

It is an arithmetic number, because the mean of its divisors is an integer number (957162528).

Almost surely, 29957146829 is an apocalyptic number.

It is an amenable number.

9957146829 is a deficient number, since it is larger than the sum of its proper divisors (5357453619).

9957146829 is a wasteful number, since it uses less digits than its factorization.

9957146829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4431424.

The product of its digits is 9797760, while the sum is 60.

The square root of 9957146829 is about 99785.5041025499. The cubic root of 9957146829 is about 2151.3528049396.

The spelling of 9957146829 in words is "nine billion, nine hundred fifty-seven million, one hundred forty-six thousand, eight hundred twenty-nine".

Divisors: 1 3 7 21 107 321 749 2247 4431307 13293921 31019149 93057447 474149849 1422449547 3319048943 9957146829