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12616142 = 2711176179
BaseRepresentation
bin110000001000…
…000111001110
3212201222002112
4300020013032
511212204032
61130224022
7212143520
oct60100716
925658075
1012616142
117137770
124285012
1327c9596
141965a10
1511931b2
hexc081ce

12616142 has 64 divisors (see below), whose sum is σ = 25712640. Its totient is φ = 4492800.

The previous prime is 12616141. The next prime is 12616181. The reversal of 12616142 is 24161621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616141) 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, 159659 + ... + 159737.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 212616142 is an apocalyptic number.

12616142 is an abundant number, since it is smaller than the sum of its proper divisors (13096498).

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

12616142 is a wasteful number, since it uses less digits than its factorization.

12616142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its digits is 576, while the sum is 23.

The square root of 12616142 is about 3551.9208887586. The cubic root of 12616142 is about 232.7960048401.

Adding to 12616142 its reverse (24161621), we get a palindrome (36777763).

The spelling of 12616142 in words is "twelve million, six hundred sixteen thousand, one hundred forty-two".

Divisors: 1 2 7 11 14 17 22 34 61 77 79 119 122 154 158 187 238 374 427 553 671 854 869 1037 1106 1309 1342 1343 1738 2074 2618 2686 4697 4819 6083 7259 9394 9401 9638 11407 12166 14518 14773 18802 22814 29546 33733 53009 67466 79849 81923 103411 106018 159698 163846 206822 371063 573461 742126 901153 1146922 1802306 6308071 12616142