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3080027988 = 2232308327751
BaseRepresentation
bin1011011110010101…
…0111111101010100
321221122121122002200
42313211113331110
522301441343423
61225343404500
7136216543302
oct26745277524
97848548080
103080027988
111340660684
1271b5b3730
133a115458b
142130b9272
15130600d43
hexb7957f54

3080027988 has 36 divisors (see below), whose sum is σ = 7788432288. Its totient is φ = 1026306000.

The previous prime is 3080027987. The next prime is 3080028031. The reversal of 3080027988 is 8897200803.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 97113 + ... + 124863.

Almost surely, 23080027988 is an apocalyptic number.

It is an amenable number.

3080027988 is an abundant number, since it is smaller than the sum of its proper divisors (4708404300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3080027988 is a wasteful number, since it uses less digits than its factorization.

3080027988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30844 (or 30839 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 3080027988 is about 55497.9998558507. Note that the first 3 decimals coincide. The cubic root of 3080027988 is about 1454.9616768168.

The spelling of 3080027988 in words is "three billion, eighty million, twenty-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 3083 6166 9249 12332 18498 27747 27751 36996 55494 55502 83253 110988 111004 166506 249759 333012 499518 999036 85556333 171112666 256668999 342225332 513337998 770006997 1026675996 1540013994 3080027988