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25230430311 = 328792921203
BaseRepresentation
bin10111011111110110…
…011101000001100111
32102010100111122202220
4113133312131001213
5403132442232221
615331331403423
71552143055602
oct273766350147
972110448686
1025230430311
11a777a137a9
124a81753573
1324c11b6608
141314c0b339
159ca03d0c6
hex5dfd9d067

25230430311 has 8 divisors (see below), whose sum is σ = 33652270080. Its totient is φ = 16814438712.

The previous prime is 25230430301. The next prime is 25230430327. The reversal of 25230430311 is 11303403252.

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

It is not a de Polignac number, because 25230430311 - 230 = 24156688487 is a prime.

It is a super-2 number, since 2×252304303112 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230430301) 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, 1451965 + ... + 1469238.

It is an arithmetic number, because the mean of its divisors is an integer number (4206533760).

Almost surely, 225230430311 is an apocalyptic number.

25230430311 is a deficient number, since it is larger than the sum of its proper divisors (8421839769).

25230430311 is a wasteful number, since it uses less digits than its factorization.

25230430311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924085.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 25230430311 its reverse (11303403252), we get a palindrome (36533833563).

The spelling of 25230430311 in words is "twenty-five billion, two hundred thirty million, four hundred thirty thousand, three hundred eleven".

Divisors: 1 3 2879 8637 2921203 8763609 8410143437 25230430311