Base | Representation |
---|---|
bin | 100111000111010… |
… | …0110001001010010 |
3 | 10101110121022201011 |
4 | 1032032212021102 |
5 | 10141441332411 |
6 | 334122201134 |
7 | 44344430143 |
oct | 11616461122 |
9 | 3343538634 |
10 | 1312449106 |
11 | 613930491 |
12 | 3076531aa |
13 | 17bba6507 |
14 | c6441aca |
15 | 7a34dc21 |
hex | 4e3a6252 |
1312449106 has 16 divisors (see below), whose sum is σ = 1983953664. Its totient is φ = 651150864.
The previous prime is 1312449097. The next prime is 1312449107. The reversal of 1312449106 is 6019442131.
It is not an unprimeable number, because it can be changed into a prime (1312449107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136741 + ... + 146023.
It is an arithmetic number, because the mean of its divisors is an integer number (123997104).
Almost surely, 21312449106 is an apocalyptic number.
1312449106 is a deficient number, since it is larger than the sum of its proper divisors (671504558).
1312449106 is a wasteful number, since it uses less digits than its factorization.
1312449106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9825.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 1312449106 is about 36227.7394547328. The cubic root of 1312449106 is about 1094.8656329638.
The spelling of 1312449106 in words is "one billion, three hundred twelve million, four hundred forty-nine thousand, one hundred six".
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