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255550055552 = 2711181498619
BaseRepresentation
bin1110110111111111111…
…0000110010010000000
3220102121201111220001022
43231333332012102000
513141331303234202
6313221552325012
724314524426511
oct3557776062200
9812551456038
10255550055552
1199418387120
124163b243768
131b137b7a32c
14c523978a08
1569aa1c4ea2
hex3b7ff86480

255550055552 has 32 divisors (see below), whose sum is σ = 555385777200. Its totient is φ = 116159115520.

The previous prime is 255550055539. The next prime is 255550055557.

It is a happy number.

255550055552 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×2555500555523 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (255550055557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90747902 + ... + 90750717.

Almost surely, 2255550055552 is an apocalyptic number.

255550055552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255550055552 is an abundant number, since it is smaller than the sum of its proper divisors (299835721648).

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

255550055552 is a wasteful number, since it uses less digits than its factorization.

255550055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181498644 (or 181498632 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 255550055552 in words is "two hundred fifty-five billion, five hundred fifty million, fifty-five thousand, five hundred fifty-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 352 704 1408 181498619 362997238 725994476 1451988952 1996484809 2903977904 3992969618 5807955808 7985939236 11615911616 15971878472 23231823232 31943756944 63887513888 127775027776 255550055552