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25838704048 = 241984995737
BaseRepresentation
bin11000000100000110…
…110101010110110000
32110200202002011110211
4120010012311112300
5410404202012143
615511541033504
71603210234453
oct300406652660
973622064424
1025838704048
11aa5a302873
1250113b5894
13258a21b0c1
14137190949a
15a1364249d
hex6041b55b0

25838704048 has 20 divisors (see below), whose sum is σ = 52697357560. Its totient is φ = 12239385984.

The previous prime is 25838704027. The next prime is 25838704057. The reversal of 25838704048 is 84040783852.

It is a junction number, because it is equal to n+sod(n) for n = 25838703992 and 25838704010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42497565 + ... + 42498172.

It is an arithmetic number, because the mean of its divisors is an integer number (2634867878).

Almost surely, 225838704048 is an apocalyptic number.

It is an amenable number.

25838704048 is an abundant number, since it is smaller than the sum of its proper divisors (26858653512).

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

25838704048 is a wasteful number, since it uses less digits than its factorization.

25838704048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84995764 (or 84995758 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 25838704048 in words is "twenty-five billion, eight hundred thirty-eight million, seven hundred four thousand, forty-eight".

Divisors: 1 2 4 8 16 19 38 76 152 304 84995737 169991474 339982948 679965896 1359931792 1614919003 3229838006 6459676012 12919352024 25838704048