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25411842020 = 22511871070423
BaseRepresentation
bin10111101010101010…
…011110111111100100
32102120222212022212002
4113222222132333210
5404020412421040
615401331544432
71556505043655
oct275252367744
972528768762
1025411842020
11a860360034
124b1245b118
13251c962c16
141330d5152c
159dae24a15
hex5eaa9efe4

25411842020 has 24 divisors (see below), whose sum is σ = 53409875904. Its totient is φ = 10156163936.

The previous prime is 25411842007. The next prime is 25411842023. The reversal of 25411842020 is 2024811452.

It is not an unprimeable number, because it can be changed into a prime (25411842023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511472 + ... + 558951.

It is an arithmetic number, because the mean of its divisors is an integer number (2225411496).

Almost surely, 225411842020 is an apocalyptic number.

25411842020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25411842020 is an abundant number, since it is smaller than the sum of its proper divisors (27998033884).

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

25411842020 is a wasteful number, since it uses less digits than its factorization.

25411842020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071619 (or 1071617 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The spelling of 25411842020 in words is "twenty-five billion, four hundred eleven million, eight hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 1187 2374 4748 5935 11870 23740 1070423 2140846 4281692 5352115 10704230 21408460 1270592101 2541184202 5082368404 6352960505 12705921010 25411842020