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55442672260 = 2252772133613
BaseRepresentation
bin110011101000101001…
…000000101010000100
312022002220011120100221
4303220221000222010
51402021311003020
641245304514124
74001630636623
oct635051005204
9168086146327
1055442672260
1121570a412a8
12a8b377b944
1352c7530b61
14297d5036ba
1516975dd6aa
hexce8a40a84

55442672260 has 12 divisors (see below), whose sum is σ = 116429611788. Its totient is φ = 22177068896.

The previous prime is 55442672191. The next prime is 55442672273. The reversal of 55442672260 is 6227624455.

It can be written as a sum of positive squares in 2 ways, for example, as 22905006336 + 32537665924 = 151344^2 + 180382^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386066787 + ... + 1386066826.

It is an arithmetic number, because the mean of its divisors is an integer number (9702467649).

Almost surely, 255442672260 is an apocalyptic number.

It is an amenable number.

55442672260 is an abundant number, since it is smaller than the sum of its proper divisors (60986939528).

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

55442672260 is a wasteful number, since it uses less digits than its factorization.

55442672260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772133622 (or 2772133620 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 55442672260 in words is "fifty-five billion, four hundred forty-two million, six hundred seventy-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 2772133613 5544267226 11088534452 13860668065 27721336130 55442672260