Search a number
-
+
25500334013 = 711331173169
BaseRepresentation
bin10111101111111100…
…000011011110111101
32102211011101012001022
4113233330003132331
5404211041142023
615414212353525
71561631156060
oct275774033675
972734335038
1025500334013
11a8a6301410
124b380158a5
1325350a764b
14133c9c88d7
159e3aa47c8
hex5eff037bd

25500334013 has 8 divisors (see below), whose sum is σ = 31792624320. Its totient is φ = 19870390080.

The previous prime is 25500334001. The next prime is 25500334031. The reversal of 25500334013 is 31043300552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25500334013 - 26 = 25500333949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25500334513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165586508 + ... + 165586661.

It is an arithmetic number, because the mean of its divisors is an integer number (3974078040).

Almost surely, 225500334013 is an apocalyptic number.

It is an amenable number.

25500334013 is a deficient number, since it is larger than the sum of its proper divisors (6292290307).

25500334013 is a wasteful number, since it uses less digits than its factorization.

25500334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331173187.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 25500334013 its reverse (31043300552), we get a palindrome (56543634565).

The spelling of 25500334013 in words is "twenty-five billion, five hundred million, three hundred thirty-four thousand, thirteen".

Divisors: 1 7 11 77 331173169 2318212183 3642904859 25500334013