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255352431520545 = 3566553255788551
BaseRepresentation
bin111010000011110111011110…
…111110010010101100100001
31020111010110020222222200121220
4322003313132332102230201
5231432143234432124140
62303031142042005253
7104533414204223412
oct7203673676225441
91214113228880556
10255352431520545
11743aa3a3629657
12247810187a6829
13ac63828318488
14470b1a334d809
151e7c481b74bd0
hexe83ddef92b21

255352431520545 has 16 divisors (see below), whose sum is σ = 408570030955392. Its totient is φ = 136185916636800.

The previous prime is 255352431520523. The next prime is 255352431520553. The reversal of 255352431520545 is 545025134253552.

It is not a de Polignac number, because 255352431520545 - 235 = 255318071782177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126895981 + ... + 128892570.

It is an arithmetic number, because the mean of its divisors is an integer number (25535626934712).

Almost surely, 2255352431520545 is an apocalyptic number.

It is an amenable number.

255352431520545 is a deficient number, since it is larger than the sum of its proper divisors (153217599434847).

255352431520545 is a wasteful number, since it uses less digits than its factorization.

255352431520545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255855112.

The product of its (nonzero) digits is 18000000, while the sum is 51.

The spelling of 255352431520545 in words is "two hundred fifty-five trillion, three hundred fifty-two billion, four hundred thirty-one million, five hundred twenty thousand, five hundred forty-five".

Divisors: 1 3 5 15 66553 199659 332765 998295 255788551 767365653 1278942755 3836828265 17023495434703 51070486304109 85117477173515 255352431520545