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313325105251253 = 766940856057537
BaseRepresentation
bin100011100111101111010111…
…1100110010000001110110101
31112002101120212022100001021012
41013033132233212100032311
5312032004303421020003
63030215322150402005
7122665664124341354
oct10717365746201665
91462346768301235
10313325105251253
1190920481600347
122b184607960305
13105aa57a187094
145753031d0399b
1526354897178d8
hex11cf7af9903b5

313325105251253 has 4 divisors (see below), whose sum is σ = 313365961316460. Its totient is φ = 313284249186048.

The previous prime is 313325105251217. The next prime is 313325105251267. The reversal of 313325105251253 is 352152501523313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 276096839610244 + 37228265641009 = 16616162^2 + 6101497^2 .

It is a cyclic number.

It is not a de Polignac number, because 313325105251253 - 26 = 313325105251189 is a prime.

It is a super-3 number, since 3×3133251052512533 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313325105251253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313325105251273) 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, 20428021100 + ... + 20428036437.

It is an arithmetic number, because the mean of its divisors is an integer number (78341490329115).

Almost surely, 2313325105251253 is an apocalyptic number.

It is an amenable number.

313325105251253 is a deficient number, since it is larger than the sum of its proper divisors (40856065207).

313325105251253 is an equidigital number, since it uses as much as digits as its factorization.

313325105251253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40856065206.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 313325105251253 its reverse (352152501523313), we get a palindrome (665477606774566).

The spelling of 313325105251253 in words is "three hundred thirteen trillion, three hundred twenty-five billion, one hundred five million, two hundred fifty-one thousand, two hundred fifty-three".

Divisors: 1 7669 40856057537 313325105251253