Base | Representation |
---|---|
bin | 1110110110000110… |
… | …01011001100010001 |
3 | 202120102222110011212 |
4 | 13123003023030101 |
5 | 112310310303443 |
6 | 3354504545505 |
7 | 401334652250 |
oct | 73303131421 |
9 | 22512873155 |
10 | 7970009873 |
11 | 341a954421 |
12 | 1665182295 |
13 | 9a0272797 |
14 | 5586dc797 |
15 | 319a74618 |
hex | 1db0cb311 |
7970009873 has 4 divisors (see below), whose sum is σ = 9108582720. Its totient is φ = 6831437028.
The previous prime is 7970009843. The next prime is 7970009951. The reversal of 7970009873 is 3789000797.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 7970009873 - 218 = 7969747729 is a prime.
It is a super-2 number, since 2×79700098732 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (7970009813) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569286413 + ... + 569286426.
It is an arithmetic number, because the mean of its divisors is an integer number (2277145680).
Almost surely, 27970009873 is an apocalyptic number.
It is an amenable number.
7970009873 is a deficient number, since it is larger than the sum of its proper divisors (1138572847).
7970009873 is a wasteful number, since it uses less digits than its factorization.
7970009873 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1138572846.
The product of its (nonzero) digits is 666792, while the sum is 50.
The square root of 7970009873 is about 89274.9117781698. The cubic root of 7970009873 is about 1997.4976932862.
The spelling of 7970009873 in words is "seven billion, nine hundred seventy million, nine thousand, eight hundred seventy-three".
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