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55868116416 = 263747884437
BaseRepresentation
bin110100000001111111…
…111100110111000000
312100012112201101000220
4310001333330313000
51403404214211131
641355423343040
74015315103610
oct640177746700
9170175641026
1055868116416
112176a105842
12a9b2151a80
135364710868
1429bdc0ca40
1516beb2ae96
hexd01ffcdc0

55868116416 has 112 divisors (see below), whose sum is σ = 172529089536. Its totient is φ = 15622677504.

The previous prime is 55868116333. The next prime is 55868116453. The reversal of 55868116416 is 61461186855.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379051 + ... + 505386.

Almost surely, 255868116416 is an apocalyptic number.

55868116416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55868116416 is an abundant number, since it is smaller than the sum of its proper divisors (116660973120).

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

55868116416 is a wasteful number, since it uses less digits than its factorization.

55868116416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884506 (or 884496 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 51.

The spelling of 55868116416 in words is "fifty-five billion, eight hundred sixty-eight million, one hundred sixteen thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 47 48 56 64 84 94 96 112 141 168 188 192 224 282 329 336 376 448 564 658 672 752 987 1128 1316 1344 1504 1974 2256 2632 3008 3948 4512 5264 7896 9024 10528 15792 21056 31584 63168 884437 1768874 2653311 3537748 5306622 6191059 7075496 10613244 12382118 14150992 18573177 21226488 24764236 28301984 37146354 41568539 42452976 49528472 56603968 74292708 83137078 84905952 99056944 124705617 148585416 166274156 169811904 198113888 249411234 290979773 297170832 332548312 396227776 498822468 581959546 594341664 665096624 872939319 997644936 1163919092 1188683328 1330193248 1745878638 1995289872 2327838184 2660386496 3491757276 3990579744 4655676368 6983514552 7981159488 9311352736 13967029104 18622705472 27934058208 55868116416