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12650640414 = 2347712772281
BaseRepresentation
bin10111100100000100…
…10111010000011110
31012122122102010012120
423302002113100132
5201402030443124
65451151043410
7625331445366
oct136202272036
935578363176
1012650640414
115401a58425
122550810566
131267bb1159
148801c79a6
154e0942d79
hex2f209741e

12650640414 has 64 divisors (see below), whose sum is σ = 26309670912. Its totient is φ = 4052563200.

The previous prime is 12650640413. The next prime is 12650640427. The reversal of 12650640414 is 41404605621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650640413) 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, 5544954 + ... + 5547234.

It is an arithmetic number, because the mean of its divisors is an integer number (411088608).

Almost surely, 212650640414 is an apocalyptic number.

12650640414 is an abundant number, since it is smaller than the sum of its proper divisors (13659030498).

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

12650640414 is a wasteful number, since it uses less digits than its factorization.

12650640414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12650640414 in words is "twelve billion, six hundred fifty million, six hundred forty thousand, four hundred fourteen".

Divisors: 1 2 3 6 47 71 94 141 142 213 277 282 426 554 831 1662 2281 3337 4562 6674 6843 10011 13019 13686 19667 20022 26038 39057 39334 59001 78114 107207 118002 161951 214414 321621 323902 485853 631837 643242 924349 971706 1263674 1848698 1895511 2773047 3791022 5546094 7611697 15223394 22835091 29696339 44860427 45670182 59392678 89089017 89720854 134581281 178178034 269162562 2108440069 4216880138 6325320207 12650640414