Search a number
-
+
231137565636096 = 29327371997731259
BaseRepresentation
bin110100100011011111101000…
…011111100111011000000000
31010022101112110100202121210200
4310203133220133213120000
5220243424213300323341
62135331044244125200
766454065230253360
oct6443375037473000
91108345410677720
10231137565636096
116771398906a839
1221b10013096800
139bc82430ca922
1441111915dc9a0
151bac64273cdb6
hexd237e87e7600

231137565636096 has 960 divisors, whose sum is σ = 788558779008000. Its totient is φ = 63798151938048.

The previous prime is 231137565636073. The next prime is 231137565636157. The reversal of 231137565636096 is 690636565731132.

231137565636096 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 3 + 7 + 5 + 6 + 563 + 60 + 9 + 6 = 666.

231137565636096 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 183588216715 + ... + 183588217973.

It is an arithmetic number, because the mean of its divisors is an integer number (821415394800).

Almost surely, 2231137565636096 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 231137565636096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394279389504000).

231137565636096 is an abundant number, since it is smaller than the sum of its proper divisors (557421213371904).

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

231137565636096 is a wasteful number, since it uses less digits than its factorization.

231137565636096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2299 (or 2280 counting only the distinct ones).

The product of its (nonzero) digits is 110224800, while the sum is 63.

The spelling of 231137565636096 in words is "two hundred thirty-one trillion, one hundred thirty-seven billion, five hundred sixty-five million, six hundred thirty-six thousand, ninety-six".