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255315305142113 = 1417729921601889
BaseRepresentation
bin111010000011010100111010…
…000100011001011101100001
31020110222220102121011020211212
4322003110322010121131201
5231431041221104021423
62303002122034515505
7104530631162220146
oct7203247204313541
91213886377136755
10255315305142113
1174395681772a77
1224775997135b95
13ac6018c6cc208
14470948068c3cd
151e7b50c5bb578
hexe8353a119761

255315305142113 has 8 divisors (see below), whose sum is σ = 255342272079240. Its totient is φ = 255288339496960.

The previous prime is 255315305142101. The next prime is 255315305142119. The reversal of 255315305142113 is 311241503513552.

It can be written as a sum of positive squares in 4 ways, for example, as 158790417856849 + 96524887285264 = 12601207^2 + 9824708^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 255315305142113 - 210 = 255315305141089 is a prime.

It is a super-2 number, since 2×2553153051421132 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255315305142119) 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, 423889073 + ... + 424490961.

It is an arithmetic number, because the mean of its divisors is an integer number (31917784009905).

Almost surely, 2255315305142113 is an apocalyptic number.

It is an amenable number.

255315305142113 is a deficient number, since it is larger than the sum of its proper divisors (26966937127).

255315305142113 is a wasteful number, since it uses less digits than its factorization.

255315305142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645987.

The product of its (nonzero) digits is 270000, while the sum is 41.

Adding to 255315305142113 its reverse (311241503513552), we get a palindrome (566556808655665).

The spelling of 255315305142113 in words is "two hundred fifty-five trillion, three hundred fifteen billion, three hundred five million, one hundred forty-two thousand, one hundred thirteen".

Divisors: 1 14177 29921 601889 424190017 8532980353 18009120769 255315305142113