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231086226325180 = 22561870318675053
BaseRepresentation
bin110100100010101111110100…
…011011101011111010111100
31010022012121221102210101222211
4310202233310123223322330
5220242104042414401210
62135251314040350204
766450300053312152
oct6442576433537274
91108177842711884
10231086226325180
11676a413339a666
1221b02085775364
139bc3450a3ac45
14410c8c10773d2
151bab13a4e038a
hexd22bf46ebebc

231086226325180 has 24 divisors (see below), whose sum is σ = 485281885620672. Its totient is φ = 92434336180032.

The previous prime is 231086226325159. The next prime is 231086226325187. The reversal of 231086226325180 is 81523622680132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231086226325187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036534 + ... + 21711586.

It is an arithmetic number, because the mean of its divisors is an integer number (20220078567528).

Almost surely, 2231086226325180 is an apocalyptic number.

231086226325180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231086226325180 is an abundant number, since it is smaller than the sum of its proper divisors (254195659295492).

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

231086226325180 is a wasteful number, since it uses less digits than its factorization.

231086226325180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19293765 (or 19293763 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 231086226325180 in words is "two hundred thirty-one trillion, eighty-six billion, two hundred twenty-six million, three hundred twenty-five thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 618703 1237406 2474812 3093515 6187030 12374060 18675053 37350106 74700212 93375265 186750530 373501060 11554311316259 23108622632518 46217245265036 57771556581295 115543113162590 231086226325180