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25048748329 = 112533905933
BaseRepresentation
bin10111010101000001…
…011001000100101001
32101122200122020221121
4113111001121010221
5402244434421304
615301321335241
71544505563533
oct272501310451
971580566847
1025048748329
11a694402400
124a30937521
132492673c97
1412d8a36853
159b9101554
hex5d5059129

25048748329 has 12 divisors (see below), whose sum is σ = 28052417988. Its totient is φ = 22341931040.

The previous prime is 25048748327. The next prime is 25048748341. The reversal of 25048748329 is 92384784052.

It can be written as a sum of positive squares in 2 ways, for example, as 9816251929 + 15232496400 = 99077^2 + 123420^2 .

It is not a de Polignac number, because 25048748329 - 21 = 25048748327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25048748327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1946554 + ... + 1959379.

It is an arithmetic number, because the mean of its divisors is an integer number (2337701499).

Almost surely, 225048748329 is an apocalyptic number.

It is an amenable number.

25048748329 is a deficient number, since it is larger than the sum of its proper divisors (3003669659).

25048748329 is a wasteful number, since it uses less digits than its factorization.

25048748329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906008 (or 3905997 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

It can be divided in two parts, 25048 and 748329, that added together give a palindrome (773377).

The spelling of 25048748329 in words is "twenty-five billion, forty-eight million, seven hundred forty-eight thousand, three hundred twenty-nine".

Divisors: 1 11 53 121 583 6413 3905933 42965263 207014449 472617893 2277158939 25048748329