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52206576968 = 23713293179769
BaseRepresentation
bin110000100111110000…
…010010010101001000
311222202100212220011202
4300213300102111020
51323404340430333
635552224043332
73525504403520
oct604760222510
9158670786152
1052206576968
1120160284a87
12a14ba63548
134bccc64b80
142753800680
1515584605e8
hexc27c12548

52206576968 has 128 divisors (see below), whose sum is σ = 128653056000. Its totient is φ = 19297474560.

The previous prime is 52206576967. The next prime is 52206576973. The reversal of 52206576968 is 86967560225.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (52206576967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614588 + ... + 694356.

It is an arithmetic number, because the mean of its divisors is an integer number (1005102000).

Almost surely, 252206576968 is an apocalyptic number.

52206576968 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52206576968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64326528000).

52206576968 is an abundant number, since it is smaller than the sum of its proper divisors (76446479032).

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

52206576968 is a wasteful number, since it uses less digits than its factorization.

52206576968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79855 (or 79851 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 52206576968 in words is "fifty-two billion, two hundred six million, five hundred seventy-six thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 29 31 52 56 58 62 91 104 116 124 182 203 217 232 248 364 377 403 406 434 728 754 806 812 868 899 1508 1612 1624 1736 1798 2639 2821 3016 3224 3596 5278 5642 6293 7192 10556 11284 11687 12586 21112 22568 23374 25172 46748 50344 79769 81809 93496 159538 163618 319076 327236 558383 638152 654472 1036997 1116766 2073994 2233532 2313301 2472839 4147988 4467064 4626602 4945678 7258979 8295976 9253204 9891356 14517958 16193107 17309873 18506408 19782712 29035916 30072913 32146907 32386214 34619746 58071832 60145826 64293814 64772428 69239492 71712331 120291652 128587628 129544856 138478984 143424662 210510391 225028349 240583304 257175256 286849324 421020782 450056698 501986317 573698648 842041564 900113396 932260303 1003972634 1684083128 1800226792 1864520606 2007945268 3729041212 4015890536 6525822121 7458082424 13051644242 26103288484 52206576968