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12124853517 = 373118624967
BaseRepresentation
bin10110100101011001…
…01001010100001101
31011022000001101011210
423102230221110031
5144312430303032
65323045405033
7606315361110
oct132254512415
934260041153
1012124853517
1151621889a7
122424709779
1311b2c9a94a
1483043c577
154ae6d42cc
hex2d2b2950d

12124853517 has 16 divisors (see below), whose sum is σ = 19071967232. Its totient is φ = 6704987760.

The previous prime is 12124853479. The next prime is 12124853519. The reversal of 12124853517 is 71535842121.

It is not a de Polignac number, because 12124853517 - 214 = 12124837133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124853519) 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, 9311833 + ... + 9313134.

It is an arithmetic number, because the mean of its divisors is an integer number (1191997952).

Almost surely, 212124853517 is an apocalyptic number.

It is an amenable number.

12124853517 is a deficient number, since it is larger than the sum of its proper divisors (6947113715).

12124853517 is a wasteful number, since it uses less digits than its factorization.

12124853517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18625008.

The product of its digits is 67200, while the sum is 39.

The spelling of 12124853517 in words is "twelve billion, one hundred twenty-four million, eight hundred fifty-three thousand, five hundred seventeen".

Divisors: 1 3 7 21 31 93 217 651 18624967 55874901 130374769 391124307 577373977 1732121931 4041617839 12124853517