Base | Representation |
---|---|
bin | 1000100111100000… |
… | …1101100000010011 |
3 | 12222012201110000112 |
4 | 2021320031200103 |
5 | 14214140321341 |
6 | 1021312111535 |
7 | 111215665025 |
oct | 21170154023 |
9 | 5865643015 |
10 | 2313213971 |
11 | a87826992 |
12 | 5468355ab |
13 | 2ab320883 |
14 | 17d30c015 |
15 | d8131aeb |
hex | 89e0d813 |
2313213971 has 4 divisors (see below), whose sum is σ = 2392980000. Its totient is φ = 2233447944.
The previous prime is 2313213961. The next prime is 2313214019. The reversal of 2313213971 is 1793123132.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2313213971 - 26 = 2313213907 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2313213911) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39882971 + ... + 39883028.
It is an arithmetic number, because the mean of its divisors is an integer number (598245000).
Almost surely, 22313213971 is an apocalyptic number.
2313213971 is a deficient number, since it is larger than the sum of its proper divisors (79766029).
2313213971 is an equidigital number, since it uses as much as digits as its factorization.
2313213971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79766028.
The product of its digits is 6804, while the sum is 32.
The square root of 2313213971 is about 48095.8830982445. The cubic root of 2313213971 is about 1322.5291979122.
The spelling of 2313213971 in words is "two billion, three hundred thirteen million, two hundred thirteen thousand, nine hundred seventy-one".
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