Base | Representation |
---|---|
bin | 1110110110111100… |
… | …10000001001010010 |
3 | 202120221100002001022 |
4 | 13123132100021102 |
5 | 112314114424200 |
6 | 3355321035442 |
7 | 401452204532 |
oct | 73336201122 |
9 | 22527302038 |
10 | 7977108050 |
11 | 342396238a |
12 | 1667625b82 |
13 | 9a18895a2 |
14 | 5596294c2 |
15 | 31a4c7885 |
hex | 1db790252 |
7977108050 has 54 divisors (see below), whose sum is σ = 15782792943. Its totient is φ = 2999104640.
The previous prime is 7977108047. The next prime is 7977108089. The reversal of 7977108050 is 508017797.
It can be written as a sum of positive squares in 5 ways, for example, as 5194229041 + 2782879009 = 72071^2 + 52753^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=63155.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7977107992 and 7977108010.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10735979 + ... + 10736721.
Almost surely, 27977108050 is an apocalyptic number.
7977108050 is a deficient number, since it is larger than the sum of its proper divisors (7805684893).
7977108050 is an equidigital number, since it uses as much as digits as its factorization.
7977108050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1532 (or 767 counting only the distinct ones).
The product of its (nonzero) digits is 123480, while the sum is 44.
The square root of 7977108050 is about 89314.6575316728. The cubic root of 7977108050 is about 1998.0905150137.
The spelling of 7977108050 in words is "seven billion, nine hundred seventy-seven million, one hundred eight thousand, fifty".
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