Base | Representation |
---|---|
bin | 1001101111101101000001… |
… | …01000011011000110000001 |
3 | 2210212201022112101200212010 |
4 | 10313312200220123012001 |
5 | 10302103211404303131 |
6 | 113324534323523133 |
7 | 4341200325114162 |
oct | 467664050330601 |
9 | 83781275350763 |
10 | 21430286791041 |
11 | 6912596230747 |
12 | 24a13bb8294a9 |
13 | bc5b3780742b |
14 | 541335007769 |
15 | 2726b6dbeb46 |
hex | 137da0a1b181 |
21430286791041 has 32 divisors (see below), whose sum is σ = 28732118704128. Its totient is φ = 14207800803840.
The previous prime is 21430286791009. The next prime is 21430286791061. The reversal of 21430286791041 is 14019768203412.
It is not a de Polignac number, because 21430286791041 - 25 = 21430286791009 is a prime.
It is a super-2 number, since 2×214302867910412 (a number of 27 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (21430286791061) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4276646226 + ... + 4276651236.
It is an arithmetic number, because the mean of its divisors is an integer number (897878709504).
Almost surely, 221430286791041 is an apocalyptic number.
It is an amenable number.
21430286791041 is a deficient number, since it is larger than the sum of its proper divisors (7301831913087).
21430286791041 is a wasteful number, since it uses less digits than its factorization.
21430286791041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10701.
The product of its (nonzero) digits is 580608, while the sum is 48.
The spelling of 21430286791041 in words is "twenty-one trillion, four hundred thirty billion, two hundred eighty-six million, seven hundred ninety-one thousand, forty-one".
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