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8182415049 = 32727471683
BaseRepresentation
bin1111001111011010…
…11011111011001001
3210010020122202022020
413213231123323021
5113224144240144
63431533315053
7406524244314
oct74755337311
923106582266
108182415049
11351983a596
121704335a89
13a05281313
145789cd97b
1532d52e419
hex1e7b5bec9

8182415049 has 4 divisors (see below), whose sum is σ = 10909886736. Its totient is φ = 5454943364.

The previous prime is 8182415041. The next prime is 8182415051. The reversal of 8182415049 is 9405142818.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8182415049 - 23 = 8182415041 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8182415049.

It is not an unprimeable number, because it can be changed into a prime (8182415041) 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, 1363735839 + ... + 1363735844.

It is an arithmetic number, because the mean of its divisors is an integer number (2727471684).

Almost surely, 28182415049 is an apocalyptic number.

It is an amenable number.

8182415049 is a deficient number, since it is larger than the sum of its proper divisors (2727471687).

8182415049 is a wasteful number, since it uses less digits than its factorization.

8182415049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727471686.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 8182415049 is about 90456.7026206461. The cubic root of 8182415049 is about 2015.0871567528.

The spelling of 8182415049 in words is "eight billion, one hundred eighty-two million, four hundred fifteen thousand, forty-nine".

Divisors: 1 3 2727471683 8182415049