Search a number
-
+
238213590868 = 2211149358310141
BaseRepresentation
bin1101110111011010100…
…0101110111101010100
3211202212111220020100201
43131312220232331110
512400330134401433
6301233411550244
723132104053631
oct3356650567524
9752774806321
10238213590868
11920313a8660
123a2012bb384
131960425c7c6
14b75b313188
1562e31d9a7d
hex3776a2ef54

238213590868 has 48 divisors (see below), whose sum is σ = 457996492800. Its totient is φ = 107511580800.

The previous prime is 238213590841. The next prime is 238213590869. The reversal of 238213590868 is 868095312832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238213590869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23485078 + ... + 23495218.

It is an arithmetic number, because the mean of its divisors is an integer number (9541593600).

Almost surely, 2238213590868 is an apocalyptic number.

It is an amenable number.

238213590868 is a deficient number, since it is larger than the sum of its proper divisors (219782901932).

238213590868 is a wasteful number, since it uses less digits than its factorization.

238213590868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13888 (or 13886 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 238213590868 in words is "two hundred thirty-eight billion, two hundred thirteen million, five hundred ninety thousand, eight hundred sixty-eight".

Divisors: 1 2 4 11 22 44 149 298 596 1639 3278 3583 6556 7166 10141 14332 20282 39413 40564 78826 111551 157652 223102 446204 533867 1067734 1511009 2135468 3022018 5872537 6044036 11745074 16621099 23490148 33242198 36335203 66484396 72670406 145340812 399687233 799374466 1598748932 5413945247 10827890494 21655780988 59553397717 119106795434 238213590868