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2638880255 = 51147979641
BaseRepresentation
bin1001110101001010…
…0001110111111111
320210220112000011202
42131102201313333
520401023132010
61113504210115
7122252053304
oct23522416777
96726460152
102638880255
111134640880
1261790993b
13330936c0b
141b06830ab
15106a106a5
hex9d4a1dff

2638880255 has 8 divisors (see below), whose sum is σ = 3454534224. Its totient is φ = 1919185600.

The previous prime is 2638880249. The next prime is 2638880263. The reversal of 2638880255 is 5520888362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2638880255 - 210 = 2638879231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23989766 + ... + 23989875.

It is an arithmetic number, because the mean of its divisors is an integer number (431816778).

Almost surely, 22638880255 is an apocalyptic number.

2638880255 is a deficient number, since it is larger than the sum of its proper divisors (815653969).

2638880255 is a wasteful number, since it uses less digits than its factorization.

2638880255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47979657.

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 2638880255 is about 51370.0326552359. The cubic root of 2638880255 is about 1381.8892165548.

The spelling of 2638880255 in words is "two billion, six hundred thirty-eight million, eight hundred eighty thousand, two hundred fifty-five".

Divisors: 1 5 11 55 47979641 239898205 527776051 2638880255