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20713524344 = 2321851118493
BaseRepresentation
bin10011010010100111…
…110100110001111000
31222110120011001122022
4103102213310301320
5314410130234334
613303214414012
71332205023542
oct232247646170
958416131568
1020713524344
11886a276467
124020b01308
131c51470aa6
141006d80692
1581371082e
hex4d29f4c78

20713524344 has 16 divisors (see below), whose sum is σ = 38839963320. Its totient is φ = 10356200800.

The previous prime is 20713524343. The next prime is 20713524383. The reversal of 20713524344 is 44342531702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20713524343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115562 + ... + 234054.

Almost surely, 220713524344 is an apocalyptic number.

It is an amenable number.

20713524344 is a deficient number, since it is larger than the sum of its proper divisors (18126438976).

20713524344 is a wasteful number, since it uses less digits than its factorization.

20713524344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140350 (or 140346 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 20713524344 in words is "twenty billion, seven hundred thirteen million, five hundred twenty-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 21851 43702 87404 118493 174808 236986 473972 947944 2589190543 5178381086 10356762172 20713524344