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231515010342104 = 2328939376292763
BaseRepresentation
bin110100101000111111001001…
…111100111001110011011000
31010100201121201010120100011112
4310220333021330321303120
5220321120220121421404
62140220305534115452
766523256531314646
oct6450771174716330
91110647633510145
10231515010342104
1167849a678329a5
1221b711b064bb88
139c24a05841c58
144125559d94196
151bb7383dbb56e
hexd28fc9f39cd8

231515010342104 has 8 divisors (see below), whose sum is σ = 434090644391460. Its totient is φ = 115757505171048.

The previous prime is 231515010342103. The next prime is 231515010342113. The reversal of 231515010342104 is 401243010515132.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231515010342103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14469688146374 + ... + 14469688146389.

Almost surely, 2231515010342104 is an apocalyptic number.

It is an amenable number.

231515010342104 is a deficient number, since it is larger than the sum of its proper divisors (202575634049356).

231515010342104 is a wasteful number, since it uses less digits than its factorization.

231515010342104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28939376292769 (or 28939376292765 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 231515010342104 its reverse (401243010515132), we get a palindrome (632758020857236).

The spelling of 231515010342104 in words is "two hundred thirty-one trillion, five hundred fifteen billion, ten million, three hundred forty-two thousand, one hundred four".

Divisors: 1 2 4 8 28939376292763 57878752585526 115757505171052 231515010342104