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2768333057 = 721718232
BaseRepresentation
bin1010010100000001…
…0110100100000001
321010221002220000222
42211000112210001
521132143124212
61134410552425
7125413304600
oct24500264401
97127086028
102768333057
1111a0719666
12653138715
133516c05c9
141c393da37
15113081c72
hexa5016901

2768333057 has 18 divisors (see below), whose sum is σ = 3411606978. Its totient is φ = 2232052032.

The previous prime is 2768333053. The next prime is 2768333093. The reversal of 2768333057 is 7503338672.

It can be written as a sum of positive squares in only one way, i.e., 2605489936 + 162843121 = 51044^2 + 12761^2 .

It is not a de Polignac number, because 2768333057 - 22 = 2768333053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2768332999 and 2768333017.

It is not an unprimeable number, because it can be changed into a prime (2768333053) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1517648 + ... + 1519470.

It is an arithmetic number, because the mean of its divisors is an integer number (189533721).

Almost surely, 22768333057 is an apocalyptic number.

It is an amenable number.

2768333057 is a deficient number, since it is larger than the sum of its proper divisors (643273921).

2768333057 is an frugal number, since it uses more digits than its factorization.

2768333057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 2768333057 is about 52614.9508885070. The cubic root of 2768333057 is about 1404.1261025376.

The spelling of 2768333057 in words is "two billion, seven hundred sixty-eight million, three hundred thirty-three thousand, fifty-seven".

Divisors: 1 7 17 49 119 833 1823 12761 30991 89327 216937 1518559 3323329 23263303 56496593 162843121 395476151 2768333057