Search a number
-
+
25503050253 = 3163227229751
BaseRepresentation
bin10111110000000110…
…011010101000001101
32102211100111012000210
4113300012122220031
5404212240102003
615414350513033
71561663231122
oct276006325015
972740435023
1025503050253
11a8a789713a
124b38b05779
132535818aa5
14133d0d4749
159e3e3e503
hex5f019aa0d

25503050253 has 16 divisors (see below), whose sum is σ = 34363547136. Its totient is φ = 16823214000.

The previous prime is 25503050249. The next prime is 25503050267. The reversal of 25503050253 is 35205030552.

It is not a de Polignac number, because 25503050253 - 22 = 25503050249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25503050253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503051253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3873 + ... + 225878.

It is an arithmetic number, because the mean of its divisors is an integer number (2147721696).

Almost surely, 225503050253 is an apocalyptic number.

It is an amenable number.

25503050253 is a deficient number, since it is larger than the sum of its proper divisors (8860496883).

25503050253 is a wasteful number, since it uses less digits than its factorization.

25503050253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230144.

The product of its (nonzero) digits is 22500, while the sum is 30.

The spelling of 25503050253 in words is "twenty-five billion, five hundred three million, fifty thousand, two hundred fifty-three".

Divisors: 1 3 163 227 489 681 37001 111003 229751 689253 37449413 52153477 112348239 156460431 8501016751 25503050253