Base | Representation |
---|---|
bin | 1110111000100100… |
… | …11000110011000111 |
3 | 202121220001102120000 |
4 | 13130102120303013 |
5 | 112331114244413 |
6 | 3400530012343 |
7 | 402006316032 |
oct | 73422306307 |
9 | 22556042500 |
10 | 7990774983 |
11 | 3430647574 |
12 | 16701170b3 |
13 | 9a4663229 |
14 | 55b386019 |
15 | 31b7c7073 |
hex | 1dc498cc7 |
7990774983 has 40 divisors (see below), whose sum is σ = 12358239168. Its totient is φ = 5142237696.
The previous prime is 7990774969. The next prime is 7990774993. The reversal of 7990774983 is 3894770997.
7990774983 is a `hidden beast` number, since 79 + 9 + 0 + 77 + 498 + 3 = 666.
It is not a de Polignac number, because 7990774983 - 217 = 7990643911 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 7990774983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7990774933) by changing a digit.
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 39 ways as a sum of consecutive naturals, for example, 263535 + ... + 292287.
Almost surely, 27990774983 is an apocalyptic number.
7990774983 is a gapful number since it is divisible by the number (73) formed by its first and last digit.
7990774983 is a deficient number, since it is larger than the sum of its proper divisors (4367464185).
7990774983 is a wasteful number, since it uses less digits than its factorization.
7990774983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28885 (or 28876 counting only the distinct ones).
The product of its (nonzero) digits is 24004512, while the sum is 63.
The square root of 7990774983 is about 89391.1348121278. The cubic root of 7990774983 is about 1999.2309529045.
The spelling of 7990774983 in words is "seven billion, nine hundred ninety million, seven hundred seventy-four thousand, nine hundred eighty-three".
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