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38294180065 = 57658836013
BaseRepresentation
bin100011101010100000…
…101101000011100001
310122211210020220110101
4203222200231003201
51111411302230230
625331521102401
72523652105561
oct435240550341
9118753226411
1038294180065
11152710802a9
127508787a01
1337c3848c5b
141bd3c0cda1
15ee1d83aca
hex8ea82d0e1

38294180065 has 4 divisors (see below), whose sum is σ = 45953016084. Its totient is φ = 30635344048.

The previous prime is 38294180063. The next prime is 38294180069. The reversal of 38294180065 is 56008149283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21147848929 + 17146331136 = 145423^2 + 130944^2 .

It is a cyclic number.

It is not a de Polignac number, because 38294180065 - 21 = 38294180063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38294179997 and 38294180024.

It is not an unprimeable number, because it can be changed into a prime (38294180063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829418002 + ... + 3829418011.

It is an arithmetic number, because the mean of its divisors is an integer number (11488254021).

Almost surely, 238294180065 is an apocalyptic number.

It is an amenable number.

38294180065 is a deficient number, since it is larger than the sum of its proper divisors (7658836019).

38294180065 is an equidigital number, since it uses as much as digits as its factorization.

38294180065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658836018.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 38294180065 in words is "thirty-eight billion, two hundred ninety-four million, one hundred eighty thousand, sixty-five".

Divisors: 1 5 7658836013 38294180065