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2525442680 = 23563136067
BaseRepresentation
bin1001011010000111…
…0011001001111000
320112000001210002002
42112201303021320
520133003131210
61054333000132
7116403623435
oct22641631170
96460053062
102525442680
111086601512
125a5923048
13313299ca7
1419d594b8c
15ebaa44a5
hex96873278

2525442680 has 16 divisors (see below), whose sum is σ = 5682246120. Its totient is φ = 1010177056.

The previous prime is 2525442677. The next prime is 2525442697. The reversal of 2525442680 is 862445252.

It is a congruent number.

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, 31567994 + ... + 31568073.

Almost surely, 22525442680 is an apocalyptic number.

2525442680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2525442680 is an abundant number, since it is smaller than the sum of its proper divisors (3156803440).

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

2525442680 is a wasteful number, since it uses less digits than its factorization.

2525442680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63136078 (or 63136074 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The square root of 2525442680 is about 50253.7827431926. The cubic root of 2525442680 is about 1361.7974143857.

The spelling of 2525442680 in words is "two billion, five hundred twenty-five million, four hundred forty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 63136067 126272134 252544268 315680335 505088536 631360670 1262721340 2525442680