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2251005012425 = 52138039861571
BaseRepresentation
bin100000110000011010010…
…110101010100111001001
321222012020102001121221202
4200300122112222213021
5243340024240344200
64442033013313545
7321426000623141
oct40603226524711
97865212047852
102251005012425
11798711711814
123043150358b5
131343658c6a70
147ad40955921
153d8491681d5
hex20c1a5aa9c9

2251005012425 has 24 divisors (see below), whose sum is σ = 3006334873920. Its totient is φ = 1662071918400.

The previous prime is 2251005012419. The next prime is 2251005012479. The reversal of 2251005012425 is 5242105001522.

It is a happy number.

It is not a de Polignac number, because 2251005012425 - 214 = 2251004996041 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2181890 + ... + 3043460.

It is an arithmetic number, because the mean of its divisors is an integer number (125263953080).

Almost surely, 22251005012425 is an apocalyptic number.

2251005012425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2251005012425 is a deficient number, since it is larger than the sum of its proper divisors (755329861495).

2251005012425 is a wasteful number, since it uses less digits than its factorization.

2251005012425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869633 (or 869628 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 2251005012425 in words is "two trillion, two hundred fifty-one billion, five million, twelve thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 8039 40195 104507 200975 522535 861571 2612675 4307855 11200423 21539275 56002115 280010575 6926169269 34630846345 90040200497 173154231725 450201002485 2251005012425