Search a number
-
+
25130023342 = 212565011671
BaseRepresentation
bin10111011001110111…
…011011100110101110
32101212100120110022021
4113121313123212232
5402431241221332
615313343340354
71546513450114
oct273167334656
971770513267
1025130023342
11a726274536
124a53bb16ba
1324a645c7c8
141305751ab4
159c1307c97
hex5d9ddb9ae

25130023342 has 4 divisors (see below), whose sum is σ = 37695035016. Its totient is φ = 12565011670.

The previous prime is 25130023337. The next prime is 25130023381. The reversal of 25130023342 is 24332003152.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6282505834 + ... + 6282505837.

It is an arithmetic number, because the mean of its divisors is an integer number (9423758754).

Almost surely, 225130023342 is an apocalyptic number.

25130023342 is a deficient number, since it is larger than the sum of its proper divisors (12565011674).

25130023342 is a wasteful number, since it uses less digits than its factorization.

25130023342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12565011673.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 25130023342 its reverse (24332003152), we get a palindrome (49462026494).

The spelling of 25130023342 in words is "twenty-five billion, one hundred thirty million, twenty-three thousand, three hundred forty-two".

Divisors: 1 2 12565011671 25130023342