Base | Representation |
---|---|
bin | 11000101000111010… |
… | …10100000010011111 |
3 | 1021010220001122121220 |
4 | 30110131110002133 |
5 | 204042400133323 |
6 | 10024340424423 |
7 | 645543153012 |
oct | 142435240237 |
9 | 37126048556 |
10 | 13228130463 |
11 | 5678a31229 |
12 | 26920a8113 |
13 | 132a728042 |
14 | 8d6b91379 |
15 | 5264b60e3 |
hex | 31475409f |
13228130463 has 32 divisors (see below), whose sum is σ = 18357115392. Its totient is φ = 8467200000.
The previous prime is 13228130449. The next prime is 13228130473. The reversal of 13228130463 is 36403182231.
It is not a de Polignac number, because 13228130463 - 28 = 13228130207 is a prime.
It is a super-2 number, since 2×132281304632 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13228130473) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1885963 + ... + 1892963.
It is an arithmetic number, because the mean of its divisors is an integer number (573659856).
Almost surely, 213228130463 is an apocalyptic number.
13228130463 is a deficient number, since it is larger than the sum of its proper divisors (5128984929).
13228130463 is a wasteful number, since it uses less digits than its factorization.
13228130463 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7295.
The product of its (nonzero) digits is 20736, while the sum is 33.
The spelling of 13228130463 in words is "thirteen billion, two hundred twenty-eight million, one hundred thirty thousand, four hundred sixty-three".
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