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255624505513431 = 3561788915167293
BaseRepresentation
bin111010000111110100110111…
…110110001101010111010111
31020112002110112022012120101020
4322013310313312031113113
5232001122441402412211
62303400135431532223
7104562155355055515
oct7207646766152727
91215073468176336
10255624505513431
11744a482027742a
12248058a982a073
13ac83397665402
14471a4136834b5
151e845a7836306
hexe87d37d8d5d7

255624505513431 has 8 divisors (see below), whose sum is σ = 340832757158640. Its totient is φ = 170416295438592.

The previous prime is 255624505513381. The next prime is 255624505513451. The reversal of 255624505513431 is 134315505426552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255624505513431 - 219 = 255624504989143 is a prime.

It is a super-2 number, since 2×2556245055134312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255624505513451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9270021 + ... + 24437313.

It is an arithmetic number, because the mean of its divisors is an integer number (42604094644830).

Almost surely, 2255624505513431 is an apocalyptic number.

255624505513431 is a deficient number, since it is larger than the sum of its proper divisors (85208251645209).

255624505513431 is a wasteful number, since it uses less digits than its factorization.

255624505513431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785185.

The product of its (nonzero) digits is 10800000, while the sum is 51.

The spelling of 255624505513431 in words is "two hundred fifty-five trillion, six hundred twenty-four billion, five hundred five million, five hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 3 5617889 15167293 16853667 45501879 85208168504477 255624505513431