Base | Representation |
---|---|
bin | 100110100111010… |
… | …1110101110000101 |
3 | 10100022002201212122 |
4 | 1031032232232011 |
5 | 10123200111023 |
6 | 332323255325 |
7 | 44052220316 |
oct | 11516565605 |
9 | 3308081778 |
10 | 1295707013 |
11 | 605435947 |
12 | 301b1a545 |
13 | 178593c53 |
14 | c412460d |
15 | 78b432c8 |
hex | 4d3aeb85 |
1295707013 has 4 divisors (see below), whose sum is σ = 1295788620. Its totient is φ = 1295625408.
The previous prime is 1295707009. The next prime is 1295707019. The reversal of 1295707013 is 3107075921.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 898980289 + 396726724 = 29983^2 + 19918^2 .
It is a cyclic number.
It is not a de Polignac number, because 1295707013 - 22 = 1295707009 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1295707019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8420 + ... + 51597.
It is an arithmetic number, because the mean of its divisors is an integer number (323947155).
Almost surely, 21295707013 is an apocalyptic number.
It is an amenable number.
1295707013 is a deficient number, since it is larger than the sum of its proper divisors (81607).
1295707013 is an equidigital number, since it uses as much as digits as its factorization.
1295707013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81606.
The product of its (nonzero) digits is 13230, while the sum is 35.
The square root of 1295707013 is about 35995.9305061003. The cubic root of 1295707013 is about 1090.1901901382.
The spelling of 1295707013 in words is "one billion, two hundred ninety-five million, seven hundred seven thousand, thirteen".
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