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2531201315 = 51752795641
BaseRepresentation
bin1001011011011111…
…0001000100100011
320112101220100102212
42112313301010203
520140441420230
61055100232335
7116503566446
oct22667610443
96471810385
102531201315
111089885015
125a783b6ab
13314535176
141a025365d
15ec340895
hex96df1123

2531201315 has 16 divisors (see below), whose sum is σ = 3217294080. Its totient is φ = 1905146880.

The previous prime is 2531201269. The next prime is 2531201327. The reversal of 2531201315 is 5131021352.

It is a happy number.

2531201315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2531201315 - 26 = 2531201251 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, 445895 + ... + 451535.

It is an arithmetic number, because the mean of its divisors is an integer number (201080880).

Almost surely, 22531201315 is an apocalyptic number.

2531201315 is a deficient number, since it is larger than the sum of its proper divisors (686092765).

2531201315 is a wasteful number, since it uses less digits than its factorization.

2531201315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10942.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2531201315 is about 50311.0456559988. The cubic root of 2531201315 is about 1362.8317071344.

Adding to 2531201315 its reverse (5131021352), we get a palindrome (7662222667).

The spelling of 2531201315 in words is "two billion, five hundred thirty-one million, two hundred one thousand, three hundred fifteen".

Divisors: 1 5 17 85 5279 5641 26395 28205 89743 95897 448715 479485 29778839 148894195 506240263 2531201315