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28061074368 = 2632411188223
BaseRepresentation
bin11010001000100100…
…100000001111000000
32200102121212021102200
4122020210200033000
5424432113334433
620520250113200
72012244124305
oct321044401700
980377767380
1028061074368
111099a821558
12553171b800
132852782a22
141502b2b0ac
15ae37cc613
hex6889203c0

28061074368 has 84 divisors (see below), whose sum is σ = 82393828608. Its totient is φ = 9125544960.

The previous prime is 28061074333. The next prime is 28061074373. The reversal of 28061074368 is 86347016082.

28061074368 is a `hidden beast` number, since 28 + 0 + 610 + 7 + 4 + 3 + 6 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 570496 + ... + 617727.

It is an arithmetic number, because the mean of its divisors is an integer number (980878912).

Almost surely, 228061074368 is an apocalyptic number.

It is an amenable number.

28061074368 is an abundant number, since it is smaller than the sum of its proper divisors (54332754240).

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

28061074368 is a wasteful number, since it uses less digits than its factorization.

28061074368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188282 (or 1188269 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 28061074368 in words is "twenty-eight billion, sixty-one million, seventy-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 41 48 64 72 82 96 123 144 164 192 246 288 328 369 492 576 656 738 984 1312 1476 1968 2624 2952 3936 5904 7872 11808 23616 1188223 2376446 3564669 4752892 7129338 9505784 10694007 14258676 19011568 21388014 28517352 38023136 42776028 48717143 57034704 76046272 85552056 97434286 114069408 146151429 171104112 194868572 228138816 292302858 342208224 389737144 438454287 584605716 684416448 779474288 876908574 1169211432 1558948576 1753817148 2338422864 3117897152 3507634296 4676845728 7015268592 9353691456 14030537184 28061074368