Search a number
-
+
12321941215925 = 5211217941925439
BaseRepresentation
bin1011001101001110110011…
…1011011101101010110101
31121121222002021021101102102
42303103230323131222311
53103340313422402200
642112342135351445
72411142122132405
oct263235473355265
947558067241372
1012321941215925
113a20784647400
1214700a9222585
136b4c5312aaa3
14308556b5c805
151657c699a6d5
hexb34eceddab5

12321941215925 has 72 divisors (see below), whose sum is σ = 17784999187200. Its totient is φ = 8433042956800.

The previous prime is 12321941215907. The next prime is 12321941215931. The reversal of 12321941215925 is 52951214912321.

It is not a de Polignac number, because 12321941215925 - 210 = 12321941214901 is a prime.

It is a super-2 number, since 2×123219412159252 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12321941215925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 484359356 + ... + 484384794.

It is an arithmetic number, because the mean of its divisors is an integer number (247013877600).

Almost surely, 212321941215925 is an apocalyptic number.

It is an amenable number.

12321941215925 is a deficient number, since it is larger than the sum of its proper divisors (5463057971275).

12321941215925 is a wasteful number, since it uses less digits than its factorization.

12321941215925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34907 (or 34891 counting only the distinct ones).

The product of its digits is 388800, while the sum is 47.

The spelling of 12321941215925 in words is "twelve trillion, three hundred twenty-one billion, nine hundred forty-one million, two hundred fifteen thousand, nine hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 121 187 275 425 605 935 2057 3025 4675 9419 10285 25439 47095 51425 103609 127195 160123 235475 279829 432463 518045 635975 800615 1139699 1399145 1761353 2162315 2590225 3078119 4003075 4757093 5698495 6995725 8806765 10811575 15390595 19374883 23785465 28492475 44033825 52328023 76952975 96874415 118927325 239609941 261640115 484372075 1198049705 1308200575 2635709351 4073368997 5990248525 13178546755 20366844985 28992802861 44807058967 65892733775 101834224925 144964014305 224035294835 492877648637 724820071525 1120176474175 2464388243185 12321941215925