Base | Representation |
---|---|
bin | 11000100110100000… |
… | …01100111111000111 |
3 | 1021002111000200021010 |
4 | 30103100030333013 |
5 | 204022211311422 |
6 | 10022335253303 |
7 | 645206303103 |
oct | 142320147707 |
9 | 37074020233 |
10 | 13207916487 |
11 | 5668585167 |
12 | 268737a233 |
13 | 132649b3cc |
14 | 8d420c903 |
15 | 524821b0c |
hex | 31340cfc7 |
13207916487 has 4 divisors (see below), whose sum is σ = 17610555320. Its totient is φ = 8805277656.
The previous prime is 13207916473. The next prime is 13207916531. The reversal of 13207916487 is 78461970231.
It is a happy number.
13207916487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 13207916487 - 210 = 13207915463 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13207916287) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201319412 + ... + 2201319417.
It is an arithmetic number, because the mean of its divisors is an integer number (4402638830).
Almost surely, 213207916487 is an apocalyptic number.
13207916487 is a deficient number, since it is larger than the sum of its proper divisors (4402638833).
13207916487 is an equidigital number, since it uses as much as digits as its factorization.
13207916487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4402638832.
The product of its (nonzero) digits is 508032, while the sum is 48.
The spelling of 13207916487 in words is "thirteen billion, two hundred seven million, nine hundred sixteen thousand, four hundred eighty-seven".
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