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2115241252 = 221731106489
BaseRepresentation
bin111111000010100…
…0000010100100100
312110102012101111121
41332011000110210
513313000210002
6545520543324
7103263153055
oct17605002444
95412171447
102115241252
11995aa9073
124b0481b44
132792c6257
14160cd672c
15c5a78237
hex7e140524

2115241252 has 12 divisors (see below), whose sum is σ = 3919417740. Its totient is φ = 995407616.

The previous prime is 2115241243. The next prime is 2115241277. The reversal of 2115241252 is 2521425112.

It can be written as a sum of positive squares in 2 ways, for example, as 624200256 + 1491040996 = 24984^2 + 38614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15553177 + ... + 15553312.

It is an arithmetic number, because the mean of its divisors is an integer number (326618145).

Almost surely, 22115241252 is an apocalyptic number.

It is an amenable number.

2115241252 is a deficient number, since it is larger than the sum of its proper divisors (1804176488).

2115241252 is a wasteful number, since it uses less digits than its factorization.

2115241252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31106510 (or 31106508 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2115241252 is about 45991.7519996792. The cubic root of 2115241252 is about 1283.6697366185.

Adding to 2115241252 its reverse (2521425112), we get a palindrome (4636666364).

The spelling of 2115241252 in words is "two billion, one hundred fifteen million, two hundred forty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 31106489 62212978 124425956 528810313 1057620626 2115241252