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25513430414 = 2124910213543
BaseRepresentation
bin10111110000101110…
…000000110110001110
32102212002000112221012
4113300232000312032
5404222414233124
615415401205222
71562150403023
oct276056006616
972762015835
1025513430414
11a90273698a
124b40490812
132537a116b4
14134063754a
159e4cdee0e
hex5f0b80d8e

25513430414 has 8 divisors (see below), whose sum is σ = 38300790000. Its totient is φ = 12746500416.

The previous prime is 25513430389. The next prime is 25513430417. The reversal of 25513430414 is 41403431552.

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

It is a super-2 number, since 2×255134304142 (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 (25513430417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5104274 + ... + 5109269.

It is an arithmetic number, because the mean of its divisors is an integer number (4787598750).

Almost surely, 225513430414 is an apocalyptic number.

25513430414 is a deficient number, since it is larger than the sum of its proper divisors (12787359586).

25513430414 is a wasteful number, since it uses less digits than its factorization.

25513430414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214794.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25513430414 its reverse (41403431552), we get a palindrome (66916861966).

The spelling of 25513430414 in words is "twenty-five billion, five hundred thirteen million, four hundred thirty thousand, four hundred fourteen".

Divisors: 1 2 1249 2498 10213543 20427086 12756715207 25513430414