Base | Representation |
---|---|
bin | 101100011101110… |
… | …0110001111010011 |
3 | 10211222111101002210 |
4 | 1120323212033103 |
5 | 11023424040011 |
6 | 404015043203 |
7 | 51654642042 |
oct | 13073461723 |
9 | 3758441083 |
10 | 1492018131 |
11 | 6a622933a |
12 | 357810503 |
13 | 1aa159186 |
14 | 102226559 |
15 | 8aebe6a6 |
hex | 58ee63d3 |
1492018131 has 4 divisors (see below), whose sum is σ = 1989357512. Its totient is φ = 994678752.
The previous prime is 1492018057. The next prime is 1492018147. The reversal of 1492018131 is 1318102941.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 1492018131 - 29 = 1492017619 is a prime.
It is a super-2 number, since 2×14920181312 = 4452236206465466322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1492018181) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248669686 + ... + 248669691.
It is an arithmetic number, because the mean of its divisors is an integer number (497339378).
Almost surely, 21492018131 is an apocalyptic number.
1492018131 is a deficient number, since it is larger than the sum of its proper divisors (497339381).
1492018131 is an equidigital number, since it uses as much as digits as its factorization.
1492018131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 497339380.
The product of its (nonzero) digits is 1728, while the sum is 30.
The square root of 1492018131 is about 38626.6505278415. The cubic root of 1492018131 is about 1142.6801950251.
The spelling of 1492018131 in words is "one billion, four hundred ninety-two million, eighteen thousand, one hundred thirty-one".
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