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253879132064 = 25171393357479
BaseRepresentation
bin1110110001110001100…
…0000001111110100000
3220021022021101011221012
43230130120001332200
513124421024211224
6312344102520052
724225235005455
oct3543430017640
9807267334835
10253879132064
1198740173618
1241253736028
131ac2c9415cc
14c405aa182c
15690d66680e
hex3b1c601fa0

253879132064 has 48 divisors (see below), whose sum is σ = 533033524800. Its totient is φ = 118612982784.

The previous prime is 253879132063. The next prime is 253879132069. The reversal of 253879132064 is 460231978352.

It is a super-2 number, since 2×2538791320642 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253879132063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1603124 + ... + 1754355.

It is an arithmetic number, because the mean of its divisors is an integer number (11104865100).

It is a 1-persistent number, because it is pandigital, but 2⋅253879132064 = 507758264128 is not.

Almost surely, 2253879132064 is an apocalyptic number.

It is an amenable number.

253879132064 is an abundant number, since it is smaller than the sum of its proper divisors (279154392736).

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

253879132064 is a wasteful number, since it uses less digits than its factorization.

253879132064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357645 (or 3357637 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 253879132064 in words is "two hundred fifty-three billion, eight hundred seventy-nine million, one hundred thirty-two thousand, sixty-four".

Divisors: 1 2 4 8 16 17 32 34 68 136 139 272 278 544 556 1112 2224 2363 4448 4726 9452 18904 37808 75616 3357479 6714958 13429916 26859832 53719664 57077143 107439328 114154286 228308572 456617144 466689581 913234288 933379162 1826468576 1866758324 3733516648 7467033296 7933722877 14934066592 15867445754 31734891508 63469783016 126939566032 253879132064