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69308056136 = 23112832783009
BaseRepresentation
bin100000010001100010…
…1010000001001001000
320121220012100001100002
41000203011100021020
52113420330244021
651501212102132
75002342520414
oct1004305201110
9217805301302
1069308056136
1127436655440
1211523164948
1366c6c99107
1434d6b77d44
151c099d050b
hex1023150248

69308056136 has 32 divisors (see below), whose sum is σ = 142267471200. Its totient is φ = 31392330240.

The previous prime is 69308056127. The next prime is 69308056163. The reversal of 69308056136 is 63165080396.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1366601 + ... + 1416408.

It is an arithmetic number, because the mean of its divisors is an integer number (4445858475).

Almost surely, 269308056136 is an apocalyptic number.

It is an amenable number.

69308056136 is an abundant number, since it is smaller than the sum of its proper divisors (72959415064).

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

69308056136 is a wasteful number, since it uses less digits than its factorization.

69308056136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783309 (or 2783305 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 69308056136 in words is "sixty-nine billion, three hundred eight million, fifty-six thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 88 283 566 1132 2264 3113 6226 12452 24904 2783009 5566018 11132036 22264072 30613099 61226198 122452396 244904792 787591547 1575183094 3150366188 6300732376 8663507017 17327014034 34654028068 69308056136