Base | Representation |
---|---|
bin | 100110101100… |
… | …001010100001 |
3 | 201002021201022 |
4 | 212230022201 |
5 | 10044023434 |
6 | 1001215225 |
7 | 152131406 |
oct | 46541241 |
9 | 21067638 |
10 | 10142369 |
11 | 57a8126 |
12 | 3491515 |
13 | 2141603 |
14 | 14c02ad |
15 | d5522e |
hex | 9ac2a1 |
10142369 has 2 divisors, whose sum is σ = 10142370. Its totient is φ = 10142368.
The previous prime is 10142323. The next prime is 10142381. The reversal of 10142369 is 96324101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7907344 + 2235025 = 2812^2 + 1495^2 .
It is an emirp because it is prime and its reverse (96324101) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10142369 - 28 = 10142113 is a prime.
It is a super-2 number, since 2×101423692 = 205735297864322, which contains 22 as substring.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (10142309) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071184 + 5071185.
It is an arithmetic number, because the mean of its divisors is an integer number (5071185).
Almost surely, 210142369 is an apocalyptic number.
It is an amenable number.
10142369 is a deficient number, since it is larger than the sum of its proper divisors (1).
10142369 is an equidigital number, since it uses as much as digits as its factorization.
10142369 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 10142369 is about 3184.7086208945. The cubic root of 10142369 is about 216.4610707170.
The spelling of 10142369 in words is "ten million, one hundred forty-two thousand, three hundred sixty-nine".
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