Search a number
-
+
252525002525 = 5213177106871
BaseRepresentation
bin1110101100101110101…
…0011011111100011101
3220010210220100021102022
43223023222123330131
513114132400040100
6312001451105525
724146543051105
oct3531352337435
9803726307368
10252525002525
1198105864aa4
1240b361422a5
131aa75233723
14c317cd0205
15687e832e85
hex3acba9bf1d

252525002525 has 12 divisors (see below), whose sum is σ = 315521320224. Its totient is φ = 200477862000.

The previous prime is 252525002507. The next prime is 252525002537. The reversal of 252525002525 is 525200525252.

It is a de Polignac number, because none of the positive numbers 2k-252525002525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38550161 + ... + 38556710.

It is an arithmetic number, because the mean of its divisors is an integer number (26293443352).

Almost surely, 2252525002525 is an apocalyptic number.

252525002525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252525002525 is a deficient number, since it is larger than the sum of its proper divisors (62996317699).

252525002525 is a wasteful number, since it uses less digits than its factorization.

252525002525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77107012 (or 77107007 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

Adding to 252525002525 its reverse (525200525252), we get a palindrome (777725527777).

The spelling of 252525002525 in words is "two hundred fifty-two billion, five hundred twenty-five million, two thousand, five hundred twenty-five".

Divisors: 1 5 25 131 655 3275 77106871 385534355 1927671775 10101000101 50505000505 252525002525