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12587112253 = 472331149403
BaseRepresentation
bin10111011100100000…
…00001011100111101
31012111012212112221201
423232100001130331
5201234300043003
65441001255501
7623630455162
oct135620013475
935435775851
1012587112253
11537a107811
122533494591
13125799a321
148759ac069
154da094b1d
hex2ee40173d

12587112253 has 8 divisors (see below), whose sum is σ = 12910105728. Its totient is φ = 12266418144.

The previous prime is 12587112233. The next prime is 12587112323. The reversal of 12587112253 is 35221178521.

12587112253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12587112253 - 25 = 12587112221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12587112233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563751 + ... + 585652.

It is an arithmetic number, because the mean of its divisors is an integer number (1613763216).

Almost surely, 212587112253 is an apocalyptic number.

It is an amenable number.

12587112253 is a deficient number, since it is larger than the sum of its proper divisors (322993475).

12587112253 is a wasteful number, since it uses less digits than its factorization.

12587112253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149683.

The product of its digits is 33600, while the sum is 37.

The spelling of 12587112253 in words is "twelve billion, five hundred eighty-seven million, one hundred twelve thousand, two hundred fifty-three".

Divisors: 1 47 233 10951 1149403 54021941 267810899 12587112253