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2551125415253 = 7331347991463
BaseRepresentation
bin100101000111111010111…
…011001001010101010101
3100000212220022112202022212
4211013322323021111111
5313244201101242003
65231545411203205
7352212160145252
oct45077273112525
910025808482285
102551125415253
118a3a20875488
123525128a6505
13156754660a3c
148b691a7a429
15465621abdd8
hex251faec9555

2551125415253 has 4 divisors (see below), whose sum is σ = 2551473414048. Its totient is φ = 2550777416460.

The previous prime is 2551125415231. The next prime is 2551125415271. The reversal of 2551125415253 is 3525145211552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2551125415253 - 238 = 2276247508309 is a prime.

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 2551125415253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551125415213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173988401 + ... + 174003062.

It is an arithmetic number, because the mean of its divisors is an integer number (637868353512).

Almost surely, 22551125415253 is an apocalyptic number.

It is an amenable number.

2551125415253 is a deficient number, since it is larger than the sum of its proper divisors (347998795).

2551125415253 is an equidigital number, since it uses as much as digits as its factorization.

2551125415253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347998794.

The product of its digits is 300000, while the sum is 41.

The spelling of 2551125415253 in words is "two trillion, five hundred fifty-one billion, one hundred twenty-five million, four hundred fifteen thousand, two hundred fifty-three".

Divisors: 1 7331 347991463 2551125415253