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3768757081 = 17481346061
BaseRepresentation
bin1110000010100010…
…1010101101011001
3100201122120200210121
43200220222231121
530204300211311
61421545313241
7162251622655
oct34050525531
910648520717
103768757081
111664401a81
12892195821
13480a4879b
1427a75ba65
15170ce8b71
hexe0a2ab59

3768757081 has 8 divisors (see below), whose sum is σ = 3991364424. Its totient is φ = 3546251520.

The previous prime is 3768757043. The next prime is 3768757099. The reversal of 3768757081 is 1807578673.

3768757081 is digitally balanced in base 3, 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 4 ways, for example, as 590052681 + 3178704400 = 24291^2 + 56380^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3768757081 is a prime.

It is a super-2 number, since 2×37687570812 = 28407059871175281122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3768757001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58791 + ... + 104851.

It is an arithmetic number, because the mean of its divisors is an integer number (498920553).

Almost surely, 23768757081 is an apocalyptic number.

It is an amenable number.

3768757081 is a deficient number, since it is larger than the sum of its proper divisors (222607343).

3768757081 is a wasteful number, since it uses less digits than its factorization.

3768757081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50891.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The square root of 3768757081 is about 61390.2034611387. The cubic root of 3768757081 is about 1556.2022843797.

The spelling of 3768757081 in words is "three billion, seven hundred sixty-eight million, seven hundred fifty-seven thousand, eighty-one".

Divisors: 1 17 4813 46061 81821 783037 221691593 3768757081