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12857452062 = 23713216311113
BaseRepresentation
bin10111111100101110…
…10010011000011110
31020012001120020110020
423332113102120132
5202313001431222
65523455453010
7633422352660
oct137627223036
936161506406
1012857452062
1154a8773044
1225a9b27166
13129b9b1a00
1489d860530
15503b9565c
hex2fe5d261e

12857452062 has 96 divisors (see below), whose sum is σ = 32021123328. Its totient is φ = 3369869568.

The previous prime is 12857452061. The next prime is 12857452067. The reversal of 12857452062 is 26025475821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12857452061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1151418 + ... + 1162530.

It is an arithmetic number, because the mean of its divisors is an integer number (333553368).

Almost surely, 212857452062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12857452062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16010561664).

12857452062 is an abundant number, since it is smaller than the sum of its proper divisors (19163671266).

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

12857452062 is a wasteful number, since it uses less digits than its factorization.

12857452062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11314 (or 11301 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 12857452062 in words is "twelve billion, eight hundred fifty-seven million, four hundred fifty-two thousand, sixty-two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 163 169 182 273 326 338 489 507 546 978 1014 1141 1183 2119 2282 2366 3423 3549 4238 6357 6846 7098 11113 12714 14833 22226 27547 29666 33339 44499 55094 66678 77791 82641 88998 144469 155582 165282 192829 233373 288938 385658 433407 466746 578487 866814 1011283 1156974 1811419 1878097 2022566 3033849 3622838 3756194 5434257 5634291 6067698 10868514 11268582 12679933 13146679 23548447 25359866 26293358 38039799 39440037 47096894 70645341 76079598 78880074 141290682 164839129 306129811 329678258 494517387 612259622 918389433 989034774 1836778866 2142908677 4285817354 6428726031 12857452062