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12157153300 = 2252287942227
BaseRepresentation
bin10110101001001111…
…10111000000010100
31011101020211101011001
423110213313000110
5144344212401200
65330201553044
7610160045425
oct132447670024
934336741131
1012157153300
11517943a236
1224334a5784
1311b9899646
1483484964c
154b246476a
hex2d49f7014

12157153300 has 36 divisors (see below), whose sum is σ = 26390810880. Its totient is φ = 4861057120.

The previous prime is 12157153291. The next prime is 12157153313. The reversal of 12157153300 is 335175121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266787 + ... + 309013.

It is an arithmetic number, because the mean of its divisors is an integer number (733078080).

Almost surely, 212157153300 is an apocalyptic number.

12157153300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12157153300 is an abundant number, since it is smaller than the sum of its proper divisors (14233657580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12157153300 is a wasteful number, since it uses less digits than its factorization.

12157153300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45120 (or 45113 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The spelling of 12157153300 in words is "twelve billion, one hundred fifty-seven million, one hundred fifty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2879 5758 11516 14395 28790 42227 57580 71975 84454 143950 168908 211135 287900 422270 844540 1055675 2111350 4222700 121571533 243143066 486286132 607857665 1215715330 2431430660 3039288325 6078576650 12157153300