Base | Representation |
---|---|
bin | 1001101001110111111110… |
… | …11000100011010011110111 |
3 | 2210011120101002221010202212 |
4 | 10310323333120203103313 |
5 | 10240313031312043444 |
6 | 113052533333324035 |
7 | 4320550341031253 |
oct | 464737730432367 |
9 | 83146332833685 |
10 | 21230013002999 |
11 | 6845663969539 |
12 | 246a62849661b |
13 | bacc9b8671c8 |
14 | 535776817263 |
15 | 26c3948b819e |
hex | 134eff6234f7 |
21230013002999 has 16 divisors (see below), whose sum is σ = 23185363322880. Its totient is φ = 19365047563680.
The previous prime is 21230013002987. The next prime is 21230013003011. The reversal of 21230013002999 is 99920031003212.
It is an interprime number because it is at equal distance from previous prime (21230013002987) and next prime (21230013003011).
It is a cyclic number.
It is not a de Polignac number, because 21230013002999 - 212 = 21230012998903 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21230013002969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91366619 + ... + 91598684.
It is an arithmetic number, because the mean of its divisors is an integer number (1449085207680).
Almost surely, 221230013002999 is an apocalyptic number.
21230013002999 is a deficient number, since it is larger than the sum of its proper divisors (1955350319881).
21230013002999 is a wasteful number, since it uses less digits than its factorization.
21230013002999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182965550.
The product of its (nonzero) digits is 52488, while the sum is 41.
The spelling of 21230013002999 in words is "twenty-one trillion, two hundred thirty billion, thirteen million, two thousand, nine hundred ninety-nine".
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