Base | Representation |
---|---|
bin | 1001110000111000001000… |
… | …01010101101111001100011 |
3 | 2211000120101211022122200012 |
4 | 10320130010022231321203 |
5 | 10303233303011243021 |
6 | 113355243540515135 |
7 | 4344125523650201 |
oct | 470340412557143 |
9 | 84016354278605 |
10 | 21470611431011 |
11 | 69286a9462586 |
12 | 24a91943abaab |
13 | bc9892c03b42 |
14 | 54327c760071 |
15 | 27377713135b |
hex | 1387042ade63 |
21470611431011 has 8 divisors (see below), whose sum is σ = 21488930453760. Its totient is φ = 21452298578568.
The previous prime is 21470611430987. The next prime is 21470611431013. The reversal of 21470611431011 is 11013411607412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21470611431011 - 210 = 21470611429987 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21470611431013) 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, 5433170 + ... + 8512376.
It is an arithmetic number, because the mean of its divisors is an integer number (2686116306720).
Almost surely, 221470611431011 is an apocalyptic number.
21470611431011 is a deficient number, since it is larger than the sum of its proper divisors (18319022749).
21470611431011 is a wasteful number, since it uses less digits than its factorization.
21470611431011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3085153.
The product of its (nonzero) digits is 4032, while the sum is 32.
The spelling of 21470611431011 in words is "twenty-one trillion, four hundred seventy billion, six hundred eleven million, four hundred thirty-one thousand, eleven".
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