Search a number
-
+
23752030025 = 522203431267
BaseRepresentation
bin10110000111101110…
…110011011101001001
32021022022122010211202
4112013232303131021
5342121004430100
614524520233545
71500411631643
oct260756633511
967268563752
1023752030025
11a089446789
12472a60b8b5
132316b17949
14121472b893
1594035d7d5
hex587bb3749

23752030025 has 12 divisors (see below), whose sum is σ = 29465954832. Its totient is φ = 18992954640.

The previous prime is 23752029997. The next prime is 23752030031. The reversal of 23752030025 is 52003025732.

It is a happy number.

It is not a de Polignac number, because 23752030025 - 218 = 23751767881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23752030025.

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, 160559 + ... + 270708.

It is an arithmetic number, because the mean of its divisors is an integer number (2455496236).

Almost surely, 223752030025 is an apocalyptic number.

23752030025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23752030025 is a deficient number, since it is larger than the sum of its proper divisors (5713924807).

23752030025 is a wasteful number, since it uses less digits than its factorization.

23752030025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433480 (or 433475 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

Adding to 23752030025 its reverse (52003025732), we get a palindrome (75755055757).

The spelling of 23752030025 in words is "twenty-three billion, seven hundred fifty-two million, thirty thousand, twenty-five".

Divisors: 1 5 25 2203 11015 55075 431267 2156335 10781675 950081201 4750406005 23752030025