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2555510880 = 253513541757
BaseRepresentation
bin1001100001010010…
…0000000001100000
320121002122101220010
42120110200001200
520213202322010
61101325244520
7120220325016
oct23024400140
96532571803
102555510880
1110a157916a
125b3a03740
13319597020
141a35808b6
15ee543620
hex98520060

2555510880 has 192 divisors, whose sum is σ = 8696576448. Its totient is φ = 627056640.

The previous prime is 2555510869. The next prime is 2555510899. The reversal of 2555510880 is 880155552.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3375462 + ... + 3376218.

It is an arithmetic number, because the mean of its divisors is an integer number (45294669).

Almost surely, 22555510880 is an apocalyptic number.

2555510880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2555510880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4348288224).

2555510880 is an abundant number, since it is smaller than the sum of its proper divisors (6141065568).

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

2555510880 is a wasteful number, since it uses less digits than its factorization.

2555510880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 39.

The square root of 2555510880 is about 50552.0610855779. The cubic root of 2555510880 is about 1367.1806762426.

The spelling of 2555510880 in words is "two billion, five hundred fifty-five million, five hundred ten thousand, eight hundred eighty".