Search a number
-
+
10115222525 = 52772752363
BaseRepresentation
bin10010110101110101…
…00000101111111101
3222002221120112201022
421122322200233331
5131203444110100
64351420153525
7505443654452
oct113272405775
928087515638
1010115222525
114320863441
121b636988a5
13c52830995
146bd597829
153e306ce85
hex25aea0bfd

10115222525 has 12 divisors (see below), whose sum is σ = 12544738752. Its totient is φ = 8090976240.

The previous prime is 10115222521. The next prime is 10115222567. The reversal of 10115222525 is 52522251101.

It is a happy number.

It is not a de Polignac number, because 10115222525 - 22 = 10115222521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10115222494 and 10115222503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115222521) 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, 166994 + ... + 219356.

It is an arithmetic number, because the mean of its divisors is an integer number (1045394896).

Almost surely, 210115222525 is an apocalyptic number.

It is an amenable number.

10115222525 is a deficient number, since it is larger than the sum of its proper divisors (2429516227).

10115222525 is an equidigital number, since it uses as much as digits as its factorization.

10115222525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60100 (or 60095 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 10115222525 its reverse (52522251101), we get a palindrome (62637473626).

The spelling of 10115222525 in words is "ten billion, one hundred fifteen million, two hundred twenty-two thousand, five hundred twenty-five".

Divisors: 1 5 25 7727 38635 52363 193175 261815 1309075 404608901 2023044505 10115222525