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3080027986 = 27231428857
BaseRepresentation
bin1011011110010101…
…0111111101010010
321221122121122002121
42313211113331102
522301441343421
61225343404454
7136216543300
oct26745277522
97848548077
103080027986
111340660682
1271b5b372a
133a1154589
142130b9270
15130600d41
hexb7957f52

3080027986 has 12 divisors (see below), whose sum is σ = 5374334718. Its totient is φ = 1320011952.

The previous prime is 3080027981. The next prime is 3080027987. The reversal of 3080027986 is 6897200803.

It can be written as a sum of positive squares in only one way, i.e., 2222651025 + 857376961 = 47145^2 + 29281^2 .

It is not an unprimeable number, because it can be changed into a prime (3080027981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15714331 + ... + 15714526.

Almost surely, 23080027986 is an apocalyptic number.

3080027986 is a deficient number, since it is larger than the sum of its proper divisors (2294306732).

3080027986 is a wasteful number, since it uses less digits than its factorization.

3080027986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31428873 (or 31428866 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 3080027986 is about 55497.9998378320. Note that the first 3 decimals coincide. The cubic root of 3080027986 is about 1454.9616765019.

The spelling of 3080027986 in words is "three billion, eighty million, twenty-seven thousand, nine hundred eighty-six".

Divisors: 1 2 7 14 49 98 31428857 62857714 220001999 440003998 1540013993 3080027986