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13137667323 = 311267353777
BaseRepresentation
bin11000011110001000…
…01110010011111011
31020220120211122112020
430033010032103323
5203401220323243
610011345445523
7643364221044
oct141704162373
936816748466
1013137667323
115631963a00
1226679408a3
131314a73361
148c8b638cb
1551d597283
hex30f10e4fb

13137667323 has 24 divisors (see below), whose sum is σ = 19283069904. Its totient is φ = 7950243840.

The previous prime is 13137667313. The next prime is 13137667331. The reversal of 13137667323 is 32376673131.

It is not a de Polignac number, because 13137667323 - 29 = 13137666811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13137667313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217411 + ... + 271187.

It is an arithmetic number, because the mean of its divisors is an integer number (803461246).

Almost surely, 213137667323 is an apocalyptic number.

13137667323 is a deficient number, since it is larger than the sum of its proper divisors (6145402581).

13137667323 is a wasteful number, since it uses less digits than its factorization.

13137667323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54475 (or 54464 counting only the distinct ones).

The product of its digits is 285768, while the sum is 42.

The spelling of 13137667323 in words is "thirteen billion, one hundred thirty-seven million, six hundred sixty-seven thousand, three hundred twenty-three".

Divisors: 1 3 11 33 121 363 673 2019 7403 22209 53777 81433 161331 244299 591547 1774641 6507017 19521051 36191921 108575763 398111131 1194333393 4379222441 13137667323