Base | Representation |
---|---|
bin | 101000110001010… |
… | …0011101111110010 |
3 | 10112100011022011011 |
4 | 1101202203233302 |
5 | 10300202420220 |
6 | 343425141134 |
7 | 45620632312 |
oct | 12142435762 |
9 | 3470138134 |
10 | 1368013810 |
11 | 642232029 |
12 | 32218a7aa |
13 | 18a55c737 |
14 | cd987442 |
15 | 8017765a |
hex | 518a3bf2 |
1368013810 has 16 divisors (see below), whose sum is σ = 2547336600. Its totient is φ = 528336256.
The previous prime is 1368013807. The next prime is 1368013811. The reversal of 1368013810 is 183108631.
It can be written as a sum of positive squares in 4 ways, for example, as 868893529 + 499120281 = 29477^2 + 22341^2 .
It is a super-2 number, since 2×13680138102 = 3742923568701432200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1368013811) 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, 2358355 + ... + 2358934.
Almost surely, 21368013810 is an apocalyptic number.
1368013810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1368013810 is a deficient number, since it is larger than the sum of its proper divisors (1179322790).
1368013810 is a wasteful number, since it uses less digits than its factorization.
1368013810 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4717325.
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 1368013810 is about 36986.6707071615. The cubic root of 1368013810 is about 1110.1035560665.
The spelling of 1368013810 in words is "one billion, three hundred sixty-eight million, thirteen thousand, eight hundred ten".
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