Base | Representation |
---|---|
bin | 100111001000010000… |
… | …100101111101111001 |
3 | 11000110001200200011202 |
4 | 213020100211331321 |
5 | 1142021202424211 |
6 | 31145020303545 |
7 | 3015105226541 |
oct | 471020457571 |
9 | 130401620152 |
10 | 42014498681 |
11 | 169000a8791 |
12 | 81866a1bb5 |
13 | 3c6753500c |
14 | 2067d5c321 |
15 | 115d7b053b |
hex | 9c8425f79 |
42014498681 has 2 divisors, whose sum is σ = 42014498682. Its totient is φ = 42014498680.
The previous prime is 42014498639. The next prime is 42014498707. The reversal of 42014498681 is 18689441024.
42014498681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 32820757225 + 9193741456 = 181165^2 + 95884^2 .
It is a cyclic number.
It is not a de Polignac number, because 42014498681 - 222 = 42010304377 is a prime.
It is a super-2 number, since 2×420144986812 (a number of 22 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (42014498381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007249340 + 21007249341.
It is an arithmetic number, because the mean of its divisors is an integer number (21007249341).
Almost surely, 242014498681 is an apocalyptic number.
It is an amenable number.
42014498681 is a deficient number, since it is larger than the sum of its proper divisors (1).
42014498681 is an equidigital number, since it uses as much as digits as its factorization.
42014498681 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 442368, while the sum is 47.
The spelling of 42014498681 in words is "forty-two billion, fourteen million, four hundred ninety-eight thousand, six hundred eighty-one".
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