Base | Representation |
---|---|
bin | 1100011001111100100… |
… | …0001010011101111111 |
3 | 202101002220201222211020 |
4 | 3012133020022131333 |
5 | 11442434004134004 |
6 | 241523555555223 |
7 | 21253250405103 |
oct | 3063710123577 |
9 | 671086658736 |
10 | 213123114879 |
11 | 82426495694 |
12 | 3537a5bbb13 |
13 | 171360687cc |
14 | a45ad37903 |
15 | 58255e48d9 |
hex | 319f20a77f |
213123114879 has 8 divisors (see below), whose sum is σ = 284284724400. Its totient is φ = 142021790976.
The previous prime is 213123114847. The next prime is 213123114881. The reversal of 213123114879 is 978411321312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213123114879 - 25 = 213123114847 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 213123114879.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213123214879) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15063154 + ... + 15077295.
It is an arithmetic number, because the mean of its divisors is an integer number (35535590550).
Almost surely, 2213123114879 is an apocalyptic number.
213123114879 is a deficient number, since it is larger than the sum of its proper divisors (71161609521).
213123114879 is a wasteful number, since it uses less digits than its factorization.
213123114879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30142809.
The product of its digits is 72576, while the sum is 42.
The spelling of 213123114879 in words is "two hundred thirteen billion, one hundred twenty-three million, one hundred fourteen thousand, eight hundred seventy-nine".
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