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2556849080 = 23563921227
BaseRepresentation
bin1001100001100110…
…0110101110111000
320121012011101120002
42120121212232320
520214023132310
61101414052132
7120234600332
oct23031465670
96535141502
102556849080
1110a2302615
125b434a048
13319945166
141a380c452
15ee709da5
hex98666bb8

2556849080 has 16 divisors (see below), whose sum is σ = 5752910520. Its totient is φ = 1022739616.

The previous prime is 2556849077. The next prime is 2556849107. The reversal of 2556849080 is 809486552.

2556849080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 31960574 + ... + 31960653.

Almost surely, 22556849080 is an apocalyptic number.

2556849080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2556849080 is an abundant number, since it is smaller than the sum of its proper divisors (3196061440).

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

2556849080 is a wasteful number, since it uses less digits than its factorization.

2556849080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63921238 (or 63921234 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The square root of 2556849080 is about 50565.2952132191. The cubic root of 2556849080 is about 1367.4192771863.

The spelling of 2556849080 in words is "two billion, five hundred fifty-six million, eight hundred forty-nine thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 63921227 127842454 255684908 319606135 511369816 639212270 1278424540 2556849080