Base | Representation |
---|---|
bin | 1101010101111000111… |
… | …00111000101000010101 |
3 | 1121211021122120120122001 |
4 | 12222330130320220111 |
5 | 30002330111100343 |
6 | 550333215435301 |
7 | 45056164410331 |
oct | 6527434705025 |
9 | 1554248516561 |
10 | 458428221973 |
11 | 167466864357 |
12 | 74a1a825b31 |
13 | 342ca564357 |
14 | 1828bdca7c1 |
15 | bdd117444d |
hex | 6abc738a15 |
458428221973 has 2 divisors, whose sum is σ = 458428221974. Its totient is φ = 458428221972.
The previous prime is 458428221947. The next prime is 458428222001. The reversal of 458428221973 is 379122824854.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 383318242129 + 75109979844 = 619127^2 + 274062^2 .
It is a cyclic number.
It is not a de Polignac number, because 458428221973 - 25 = 458428221941 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (458428221773) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229214110986 + 229214110987.
It is an arithmetic number, because the mean of its divisors is an integer number (229214110987).
Almost surely, 2458428221973 is an apocalyptic number.
It is an amenable number.
458428221973 is a deficient number, since it is larger than the sum of its proper divisors (1).
458428221973 is an equidigital number, since it uses as much as digits as its factorization.
458428221973 is an evil number, because the sum of its binary digits is even.
The product of its digits is 7741440, while the sum is 55.
The spelling of 458428221973 in words is "four hundred fifty-eight billion, four hundred twenty-eight million, two hundred twenty-one thousand, nine hundred seventy-three".
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