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136631494998 = 232291361192319
BaseRepresentation
bin111111100111111011…
…1110010100101010110
3111001200002021002120200
41333033313302211112
54214310130314443
6142433451041330
712604566355005
oct1771767624526
9431602232520
10136631494998
1152a43a0a509
1222591740246
13cb65a4577b
1468820dcc3c
15384a13add3
hex1fcfdf2956

136631494998 has 48 divisors (see below), whose sum is σ = 306469612800. Its totient is φ = 43940816640.

The previous prime is 136631494981. The next prime is 136631494999. The reversal of 136631494998 is 899494136631.

136631494998 is a `hidden beast` number, since 1 + 366 + 3 + 149 + 49 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136631494999) 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, 614283 + ... + 806601.

It is an arithmetic number, because the mean of its divisors is an integer number (6384783600).

Almost surely, 2136631494998 is an apocalyptic number.

136631494998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136631494998 is an abundant number, since it is smaller than the sum of its proper divisors (169838117802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136631494998 is a wasteful number, since it uses less digits than its factorization.

136631494998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193717 (or 193714 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 136631494998 in words is "one hundred thirty-six billion, six hundred thirty-one million, four hundred ninety-four thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 1361 2722 4083 8166 12249 24498 39469 78938 118407 192319 236814 355221 384638 576957 710442 1153914 1730871 3461742 5577251 11154502 16731753 33463506 50195259 100390518 261746159 523492318 785238477 1570476954 2355715431 4711430862 7590638611 15181277222 22771915833 45543831666 68315747499 136631494998