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255431134552 = 231131741127271
BaseRepresentation
bin1110110111100011100…
…0011100110101011000
3220102022102202002002211
43231320320130311120
513141110332301202
6313202103404504
724311551551166
oct3557070346530
9812272662084
10255431134552
1199367242000
1241607453734
131b119340589
14c511c60236
15699ea341d7
hex3b78e1cd58

255431134552 has 256 divisors, whose sum is σ = 578006876160. Its totient is φ = 105380352000.

The previous prime is 255431134529. The next prime is 255431134561.

255431134552 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 942550177 + ... + 942550447.

It is an arithmetic number, because the mean of its divisors is an integer number (2257839360).

Almost surely, 2255431134552 is an apocalyptic number.

255431134552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255431134552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289003438080).

255431134552 is an abundant number, since it is smaller than the sum of its proper divisors (322575741608).

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

255431134552 is a wasteful number, since it uses less digits than its factorization.

255431134552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 469 counting only the distinct ones).

The product of its digits is 360000, while the sum is 40.

It can be divided in two parts, 255431 and 134552, that added together give a palindrome (389983).

The spelling of 255431134552 in words is "two hundred fifty-five billion, four hundred thirty-one million, one hundred thirty-four thousand, five hundred fifty-two".