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136631302430 = 2572384864163
BaseRepresentation
bin111111100111111011…
…1000011100100011110
3111001200001220022102112
41333033313003210132
54214310103134210
6142433442554022
712604564623410
oct1771767034436
9431601808375
10136631302430
1152a43898867
1222591668912
13cb659a8c1c
14688208c9b0
15384a0edd05
hex1fcfdc391e

136631302430 has 32 divisors (see below), whose sum is σ = 293290550784. Its totient is φ = 44808277536.

The previous prime is 136631302417. The next prime is 136631302441. The reversal of 136631302430 is 34203136631.

It is a happy number.

It is a super-2 number, since 2×1366313024302 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42430472 + ... + 42433691.

It is an arithmetic number, because the mean of its divisors is an integer number (9165329712).

Almost surely, 2136631302430 is an apocalyptic number.

136631302430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136631302430 is an abundant number, since it is smaller than the sum of its proper divisors (156659248354).

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

136631302430 is a wasteful number, since it uses less digits than its factorization.

136631302430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84864200.

The product of its (nonzero) digits is 23328, while the sum is 32.

The spelling of 136631302430 in words is "one hundred thirty-six billion, six hundred thirty-one million, three hundred two thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 84864163 169728326 424320815 594049141 848641630 1188098282 1951875749 2970245705 3903751498 5940491410 9759378745 13663130243 19518757490 27326260486 68315651215 136631302430