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3081440650 = 25261628813
BaseRepresentation
bin1011011110101011…
…0000110110001010
321221202021101220111
42313222300312022
522302322100100
61225433544534
7136234545661
oct26752606612
97852241814
103081440650
111341435a72
1271bb7514a
133a152a582
14213365dd8
151307ce6ba
hexb7ab0d8a

3081440650 has 12 divisors (see below), whose sum is σ = 5731479702. Its totient is φ = 1232576240.

The previous prime is 3081440629. The next prime is 3081440669. The reversal of 3081440650 is 560441803.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1405275169 + 1676165481 = 37487^2 + 40941^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30814357 + ... + 30814456.

Almost surely, 23081440650 is an apocalyptic number.

3081440650 is a deficient number, since it is larger than the sum of its proper divisors (2650039052).

3081440650 is a wasteful number, since it uses less digits than its factorization.

3081440650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61628825 (or 61628820 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3081440650 is about 55510.7255402053. The cubic root of 3081440650 is about 1455.1840833368.

The spelling of 3081440650 in words is "three billion, eighty-one million, four hundred forty thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 61628813 123257626 308144065 616288130 1540720325 3081440650