Base | Representation |
---|---|
bin | 100110111101011… |
… | …1011000101100101 |
3 | 10101002220022111102 |
4 | 1031322323011211 |
5 | 10134131321010 |
6 | 333415445445 |
7 | 44252540645 |
oct | 11572730545 |
9 | 3332808442 |
10 | 1307292005 |
11 | 610a28918 |
12 | 305986885 |
13 | 17aabc086 |
14 | c589c525 |
15 | 79b80ba5 |
hex | 4debb165 |
1307292005 has 4 divisors (see below), whose sum is σ = 1568750412. Its totient is φ = 1045833600.
The previous prime is 1307291987. The next prime is 1307292031. The reversal of 1307292005 is 5002927031.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 769840516 + 537451489 = 27746^2 + 23183^2 .
It is not a de Polignac number, because 1307292005 - 212 = 1307287909 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130729196 + ... + 130729205.
It is an arithmetic number, because the mean of its divisors is an integer number (392187603).
Almost surely, 21307292005 is an apocalyptic number.
It is an amenable number.
1307292005 is a deficient number, since it is larger than the sum of its proper divisors (261458407).
1307292005 is an equidigital number, since it uses as much as digits as its factorization.
1307292005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261458406.
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 1307292005 is about 36156.4932619301. The cubic root of 1307292005 is about 1093.4297057024.
The spelling of 1307292005 in words is "one billion, three hundred seven million, two hundred ninety-two thousand, five".
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