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231332213204 = 2261948082841
BaseRepresentation
bin1101011101110001111…
…0010111000111010100
3211010002221101000211022
43113130132113013110
512242232021310304
6254134512100312
722466425240241
oct3273436270724
9733087330738
10231332213204
118a120004784
1238a00834698
1318a786ba6c1
14b2a74345c8
15603e002ebe
hex35dc7971d4

231332213204 has 12 divisors (see below), whose sum is σ = 411467953428. Its totient is φ = 113769940800.

The previous prime is 231332213191. The next prime is 231332213219. The reversal of 231332213204 is 402312233132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61703553604 + 169628659600 = 248402^2 + 411860^2 .

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, 474041177 + ... + 474041664.

It is an arithmetic number, because the mean of its divisors is an integer number (34288996119).

Almost surely, 2231332213204 is an apocalyptic number.

It is an amenable number.

231332213204 is a deficient number, since it is larger than the sum of its proper divisors (180135740224).

231332213204 is a wasteful number, since it uses less digits than its factorization.

231332213204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948082906 (or 948082904 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231332213204 its reverse (402312233132), we get a palindrome (633644446336).

The spelling of 231332213204 in words is "two hundred thirty-one billion, three hundred thirty-two million, two hundred thirteen thousand, two hundred four".

Divisors: 1 2 4 61 122 244 948082841 1896165682 3792331364 57833053301 115666106602 231332213204