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231242222242132 = 2261979328797089
BaseRepresentation
bin110100100101000001000110…
…100000111000100101010100
31010022202112121001122001122121
4310211001012200320211110
5220302133032343222012
62135451113234305324
766464461556604643
oct6445010640704524
91108675531561577
10231242222242132
1167754303a8a982
1221b28360428244
139c0508158684a
14411627cc9335a
151bb021a69ca07
hexd25046838954

231242222242132 has 12 divisors (see below), whose sum is σ = 404739190546740. Its totient is φ = 115602453514496.

The previous prime is 231242222242063. The next prime is 231242222242237.

231242222242132 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 137092344318736 + 94149877923396 = 11708644^2 + 9703086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4664373757 + ... + 4664423332.

It is an arithmetic number, because the mean of its divisors is an integer number (33728265878895).

Almost surely, 2231242222242132 is an apocalyptic number.

It is an amenable number.

231242222242132 is a deficient number, since it is larger than the sum of its proper divisors (173496968304608).

231242222242132 is a wasteful number, since it uses less digits than its factorization.

231242222242132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328803290 (or 9328803288 counting only the distinct ones).

The product of its digits is 73728, while the sum is 34.

The spelling of 231242222242132 in words is "two hundred thirty-one trillion, two hundred forty-two billion, two hundred twenty-two million, two hundred forty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 6197 12394 24788 9328797089 18657594178 37315188356 57810555560533 115621111121066 231242222242132