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231443214202012 = 22612767334276651
BaseRepresentation
bin110100100111111100010010…
…100100010111010010011100
31010100110202101112110112021211
4310213330102210113102130
5220313431200313431022
62140123313401434204
766515135414225161
oct6447742244272234
91110422345415254
10231443214202012
116782157478322a
1221b5b2b419b964
139c1b003259417
144121ca89cc068
151bb5580c65e77
hexd27f1291749c

231443214202012 has 24 divisors (see below), whose sum is σ = 411680277272432. Its totient is φ = 113820415056000.

The previous prime is 231443214202009. The next prime is 231443214202027. The reversal of 231443214202012 is 210202412344132.

231443214202012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2314432142020122 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10386114 + ... + 23890537.

Almost surely, 2231443214202012 is an apocalyptic number.

It is an amenable number.

231443214202012 is a deficient number, since it is larger than the sum of its proper divisors (180237063070420).

231443214202012 is a wasteful number, since it uses less digits than its factorization.

231443214202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34304389 (or 34304387 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 231443214202012 its reverse (210202412344132), we get a palindrome (441645626546144).

The spelling of 231443214202012 in words is "two hundred thirty-one trillion, four hundred forty-three billion, two hundred fourteen million, two hundred two thousand, twelve".

Divisors: 1 2 4 61 122 244 27673 55346 110692 1688053 3376106 6752212 34276651 68553302 137106604 2090875711 4181751422 8363502844 948537763123 1897075526246 3794151052492 57860803550503 115721607101006 231443214202012