Search a number
-
+
25670480925 = 352342273079
BaseRepresentation
bin10111111010000101…
…000111010000011101
32110021000112112201210
4113322011013100131
5410033120342200
615443131255033
71566065326155
oct277205072035
973230475653
1025670480925
11a9833542a1
124b84baa479
13256140b7ab
141357439765
15a039b3650
hex5fa14741d

25670480925 has 12 divisors (see below), whose sum is σ = 42441861920. Its totient is φ = 13690923120.

The previous prime is 25670480921. The next prime is 25670480999. The reversal of 25670480925 is 52908407652.

It is not a de Polignac number, because 25670480925 - 22 = 25670480921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25670480921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171136465 + ... + 171136614.

Almost surely, 225670480925 is an apocalyptic number.

25670480925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25670480925 is a deficient number, since it is larger than the sum of its proper divisors (16771380995).

25670480925 is a wasteful number, since it uses less digits than its factorization.

25670480925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342273092 (or 342273087 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 25670480925 in words is "twenty-five billion, six hundred seventy million, four hundred eighty thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 342273079 1026819237 1711365395 5134096185 8556826975 25670480925