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25550313151 = 112322755741
BaseRepresentation
bin10111110010111010…
…101101011010111111
32102221122102101112111
4113302322231122333
5404311340010101
615423155514451
71563106035616
oct276272553277
972848371474
1025550313151
11a921538490
124b508b8a27
1325425563bc
1413454b887d
159e8178251
hex5f2ead6bf

25550313151 has 4 divisors (see below), whose sum is σ = 27873068904. Its totient is φ = 23227557400.

The previous prime is 25550313133. The next prime is 25550313199. The reversal of 25550313151 is 15131305552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25550313151 - 211 = 25550311103 is a prime.

It is a super-2 number, since 2×255503131512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25550314151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161377860 + ... + 1161377881.

It is an arithmetic number, because the mean of its divisors is an integer number (6968267226).

Almost surely, 225550313151 is an apocalyptic number.

25550313151 is a deficient number, since it is larger than the sum of its proper divisors (2322755753).

25550313151 is a wasteful number, since it uses less digits than its factorization.

25550313151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322755752.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 25550313151 in words is "twenty-five billion, five hundred fifty million, three hundred thirteen thousand, one hundred fifty-one".

Divisors: 1 11 2322755741 25550313151