Base | Representation |
---|---|
bin | 1001011111110100111… |
… | …0000001010000001101 |
3 | 120121011001021111202111 |
4 | 2113331032001100031 |
5 | 10133123444210444 |
6 | 202542230024021 |
7 | 14534210654554 |
oct | 2277516012015 |
9 | 517131244674 |
10 | 163162100749 |
11 | 6321883026a |
12 | 277567a8011 |
13 | 125033c8b5b |
14 | 7c7b874d9b |
15 | 439e3a1234 |
hex | 25fd38140d |
163162100749 has 2 divisors, whose sum is σ = 163162100750. Its totient is φ = 163162100748.
The previous prime is 163162100723. The next prime is 163162100767. The reversal of 163162100749 is 947001261361.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 113597983849 + 49564116900 = 337043^2 + 222630^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-163162100749 is a prime.
It is a super-2 number, since 2×1631621007492 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (163162100249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81581050374 + 81581050375.
It is an arithmetic number, because the mean of its divisors is an integer number (81581050375).
Almost surely, 2163162100749 is an apocalyptic number.
It is an amenable number.
163162100749 is a deficient number, since it is larger than the sum of its proper divisors (1).
163162100749 is an equidigital number, since it uses as much as digits as its factorization.
163162100749 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 54432, while the sum is 40.
The spelling of 163162100749 in words is "one hundred sixty-three billion, one hundred sixty-two million, one hundred thousand, seven hundred forty-nine".
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