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20107462164 = 22317532318517
BaseRepresentation
bin10010101110011111…
…111000011000010100
31220220022201220121220
4102232133320120110
5312140002242124
613123124410340
71311165415446
oct225637703024
956808656556
1020107462164
118589157a29
123a91b469b0
131b85a31b0a
14d8a69a496
157ca3e6879
hex4ae7f8614

20107462164 has 48 divisors (see below), whose sum is σ = 49689275328. Its totient is φ = 6306697728.

The previous prime is 20107462163. The next prime is 20107462169. The reversal of 20107462164 is 46126470102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20107462163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076634 + ... + 1095150.

It is an arithmetic number, because the mean of its divisors is an integer number (1035193236).

Almost surely, 220107462164 is an apocalyptic number.

It is an amenable number.

20107462164 is an abundant number, since it is smaller than the sum of its proper divisors (29581813164).

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

20107462164 is a wasteful number, since it uses less digits than its factorization.

20107462164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23864 (or 23862 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 20107462164 in words is "twenty billion, one hundred seven million, four hundred sixty-two thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 5323 10646 15969 18517 21292 31938 37034 55551 63876 74068 90491 111102 180982 222204 271473 314789 361964 542946 629578 944367 1085892 1259156 1888734 3777468 98565991 197131982 295697973 394263964 591395946 1182791892 1675621847 3351243694 5026865541 6702487388 10053731082 20107462164