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25114565142 = 2321973434401
BaseRepresentation
bin10111011000111100…
…011101101000010110
32101211021111002122100
4113120330131220112
5402413312041032
615312032142530
71546235165352
oct273074355026
971737432570
1025114565142
11a718576567
124a4a997a46
1324a31a9744
14130368a462
159beca297c
hex5d8f1da16

25114565142 has 24 divisors (see below), whose sum is σ = 57278833560. Its totient is φ = 7930915200.

The previous prime is 25114565093. The next prime is 25114565143. The reversal of 25114565142 is 24156541152.

25114565142 is a `hidden beast` number, since 2 + 51 + 1 + 4 + 565 + 1 + 42 = 666.

25114565142 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×251145651422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25114565097 and 25114565106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25114565143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36716859 + ... + 36717542.

It is an arithmetic number, because the mean of its divisors is an integer number (2386618065).

Almost surely, 225114565142 is an apocalyptic number.

25114565142 is an abundant number, since it is smaller than the sum of its proper divisors (32164268418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25114565142 is a wasteful number, since it uses less digits than its factorization.

25114565142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73434428 (or 73434425 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The spelling of 25114565142 in words is "twenty-five billion, one hundred fourteen million, five hundred sixty-five thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 73434401 146868802 220303203 440606406 660909609 1321819218 1395253619 2790507238 4185760857 8371521714 12557282571 25114565142