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2768426685 = 32561520593
BaseRepresentation
bin1010010100000010…
…1101011010111101
321010221021122110200
42211000231122331
521132204123220
61134412554113
7125414144553
oct24500553275
97127248420
102768426685
1111a0782a42
12653182939
133517240cb
141c3965bd3
1511309e890
hexa502d6bd

2768426685 has 12 divisors (see below), whose sum is σ = 4798606332. Its totient is φ = 1476494208.

The previous prime is 2768426627. The next prime is 2768426701. The reversal of 2768426685 is 5866248672.

2768426685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1321613316 + 1446813369 = 36354^2 + 38037^2 .

It is not a de Polignac number, because 2768426685 - 26 = 2768426621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30760252 + ... + 30760341.

It is an arithmetic number, because the mean of its divisors is an integer number (399883861).

Almost surely, 22768426685 is an apocalyptic number.

It is an amenable number.

2768426685 is a deficient number, since it is larger than the sum of its proper divisors (2030179647).

2768426685 is a wasteful number, since it uses less digits than its factorization.

2768426685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61520604 (or 61520601 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 2768426685 is about 52615.8406280846. The cubic root of 2768426685 is about 1404.1419320439.

The spelling of 2768426685 in words is "two billion, seven hundred sixty-eight million, four hundred twenty-six thousand, six hundred eighty-five".

Divisors: 1 3 5 9 15 45 61520593 184561779 307602965 553685337 922808895 2768426685