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2677128305 = 51388338567
BaseRepresentation
bin1001111110010001…
…1011110001110001
320220120111012122012
42133210123301301
520440321101210
61121352052305
7123225133535
oct23744336161
96816435565
102677128305
111154195135
12628694095
133388391b7
141b579bbc5
1510a068305
hex9f91bc71

2677128305 has 8 divisors (see below), whose sum is σ = 3212868672. Its totient is φ = 2141492848.

The previous prime is 2677128299. The next prime is 2677128323. The reversal of 2677128305 is 5038217762.

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

It is a cyclic number.

It is not a de Polignac number, because 2677128305 - 28 = 2677128049 is a prime.

It is a super-2 number, since 2×26771283052 = 14334031922864346050, which contains 22 as substring.

It is a Duffinian 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, 50132 + ... + 88698.

It is an arithmetic number, because the mean of its divisors is an integer number (401608584).

Almost surely, 22677128305 is an apocalyptic number.

It is an amenable number.

2677128305 is a deficient number, since it is larger than the sum of its proper divisors (535740367).

2677128305 is a wasteful number, since it uses less digits than its factorization.

2677128305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52455.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 2677128305 is about 51740.9731740716. The cubic root of 2677128305 is about 1388.5336061551.

The spelling of 2677128305 in words is "two billion, six hundred seventy-seven million, one hundred twenty-eight thousand, three hundred five".

Divisors: 1 5 13883 38567 69415 192835 535425661 2677128305