Base | Representation |
---|---|
bin | 100111001000110… |
… | …0000011111111100 |
3 | 10101112001002202202 |
4 | 1032101200133330 |
5 | 10142140244122 |
6 | 334150411032 |
7 | 44354056421 |
oct | 11621403774 |
9 | 3345032682 |
10 | 1313212412 |
11 | 614301a16 |
12 | 307960a78 |
13 | 17c0b2a85 |
14 | c659dd48 |
15 | 7a44ee92 |
hex | 4e4607fc |
1313212412 has 6 divisors (see below), whose sum is σ = 2298121728. Its totient is φ = 656606204.
The previous prime is 1313212409. The next prime is 1313212427. The reversal of 1313212412 is 2142123131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164151548 + ... + 164151555.
It is an arithmetic number, because the mean of its divisors is an integer number (383020288).
Almost surely, 21313212412 is an apocalyptic number.
It is an amenable number.
1313212412 is a deficient number, since it is larger than the sum of its proper divisors (984909316).
1313212412 is a wasteful number, since it uses less digits than its factorization.
1313212412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 328303107 (or 328303105 counting only the distinct ones).
The product of its digits is 288, while the sum is 20.
The square root of 1313212412 is about 36238.2727513329. The cubic root of 1313212412 is about 1095.0778457754.
Adding to 1313212412 its reverse (2142123131), we get a palindrome (3455335543).
The spelling of 1313212412 in words is "one billion, three hundred thirteen million, two hundred twelve thousand, four hundred twelve".
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