Search a number
-
+
253231626232 = 231319325939323
BaseRepresentation
bin1110101111010111000…
…1111111011111111000
3220012122010222110220201
43223311301333133320
513122104244014412
6312155532331544
724203213210404
oct3536561773770
9805563873821
10253231626232
1198438718932
12410b2913bb4
131ab58751970
14c383ab0104
1568c18b2e57
hex3af5c7f7f8

253231626232 has 64 divisors (see below), whose sum is σ = 538424208000. Its totient is φ = 110687969664.

The previous prime is 253231626223. The next prime is 253231626239. The reversal of 253231626232 is 232626132352.

It is a junction number, because it is equal to n+sod(n) for n = 253231626191 and 253231626200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253231626239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6420123 + ... + 6459445.

It is an arithmetic number, because the mean of its divisors is an integer number (8412878250).

Almost surely, 2253231626232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253231626232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269212104000).

253231626232 is an abundant number, since it is smaller than the sum of its proper divisors (285192581768).

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

253231626232 is a wasteful number, since it uses less digits than its factorization.

253231626232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42620 (or 42616 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

Adding to 253231626232 its reverse (232626132352), we get a palindrome (485857758584).

The spelling of 253231626232 in words is "two hundred fifty-three billion, two hundred thirty-one million, six hundred twenty-six thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 3259 6518 13036 26072 39323 42367 61921 78646 84734 123842 157292 169468 247684 314584 338936 495368 511199 747137 804973 1022398 1494274 1609946 2044796 2988548 3219892 4089592 5977096 6439784 9712781 19425562 38851124 77702248 128153657 256307314 512614628 1025229256 1665997541 2434919483 3331995082 4869838966 6663990164 9739677932 13327980328 19479355864 31653953279 63307906558 126615813116 253231626232