Search a number
-
+
25414310420 = 2251270715521
BaseRepresentation
bin10111101010110011…
…111001101000010100
32102121011111201212022
4113222303321220110
5404022030413140
615401500512312
71556535034322
oct275263715024
972534451768
1025414310420
11a861796634
124b1324b698
132520318605
1413313d4d12
159db2610b5
hex5eacf9a14

25414310420 has 12 divisors (see below), whose sum is σ = 53370051924. Its totient is φ = 10165724160.

The previous prime is 25414310419. The next prime is 25414310431. The reversal of 25414310420 is 2401341452.

It can be written as a sum of positive squares in 2 ways, for example, as 13716157456 + 11698152964 = 117116^2 + 108158^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25414310420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635357741 + ... + 635357780.

It is an arithmetic number, because the mean of its divisors is an integer number (4447504327).

Almost surely, 225414310420 is an apocalyptic number.

25414310420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25414310420 is an abundant number, since it is smaller than the sum of its proper divisors (27955741504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25414310420 is a wasteful number, since it uses less digits than its factorization.

25414310420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270715530 (or 1270715528 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 25414310420 its reverse (2401341452), we get a palindrome (27815651872).

The spelling of 25414310420 in words is "twenty-five billion, four hundred fourteen million, three hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1270715521 2541431042 5082862084 6353577605 12707155210 25414310420