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163274122568 = 231927321032
BaseRepresentation
bin1001100000001111100…
…1010110010101001000
3120121102212001210210202
42120003321112111020
510133341133410233
6203001311031332
714540041100024
oct2300371262510
9517385053722
10163274122568
1163275a92987
122778820b548
131252068b55b
147c8c6b5384
1543a912cbe8
hex2603e56548

163274122568 has 108 divisors (see below), whose sum is σ = 330797567385. Its totient is φ = 75540325248.

The previous prime is 163274122541. The next prime is 163274122577. The reversal of 163274122568 is 865221472361.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 162523472164 + 750650404 = 403142^2 + 27398^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=285722.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1585185605 + ... + 1585185707.

Almost surely, 2163274122568 is an apocalyptic number.

It is an amenable number.

163274122568 is an abundant number, since it is smaller than the sum of its proper divisors (167523444817).

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

163274122568 is an equidigital number, since it uses as much as digits as its factorization.

163274122568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 197 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 163274122568 in words is "one hundred sixty-three billion, two hundred seventy-four million, one hundred twenty-two thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 19 38 73 76 103 146 152 206 292 361 412 584 722 824 1387 1444 1957 2774 2888 3914 5329 5548 7519 7828 10609 10658 11096 15038 15656 21218 21316 26353 30076 37183 42436 42632 52706 60152 74366 84872 101251 105412 142861 148732 201571 202502 210824 285722 297464 403142 405004 548887 571444 774457 806284 810008 1097774 1142888 1548914 1612568 1923769 2195548 2714359 3097828 3829849 3847538 4391096 5428718 6195656 7659698 7695076 10428853 10857436 14714683 15319396 15390152 20857706 21714872 29429366 30638792 41715412 56535361 58858732 83430824 113070722 117717464 198148207 226141444 279578977 396296414 452282888 559157954 792592828 1074171859 1118315908 1585185656 2148343718 2236631816 4296687436 8593374872 20409265321 40818530642 81637061284 163274122568