Base | Representation |
---|---|
bin | 11001110110011011… |
… | …00000100101000111 |
3 | 1022211012110122010021 |
4 | 30323031200211013 |
5 | 211410321031301 |
6 | 10213044040011 |
7 | 1000626410656 |
oct | 147315404507 |
9 | 38735418107 |
10 | 13878298951 |
11 | 5981a35460 |
12 | 2833993007 |
13 | 140233a91a |
14 | 95927719d |
15 | 5635e38a1 |
hex | 33b360947 |
13878298951 has 8 divisors (see below), whose sum is σ = 15141329424. Its totient is φ = 12615496320.
The previous prime is 13878298949. The next prime is 13878298981. The reversal of 13878298951 is 15989287831.
13878298951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13878298951 - 21 = 13878298949 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13878298951.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13878298921) 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 7 ways as a sum of consecutive naturals, for example, 86025 + ... + 187501.
It is an arithmetic number, because the mean of its divisors is an integer number (1892666178).
Almost surely, 213878298951 is an apocalyptic number.
13878298951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
13878298951 is a deficient number, since it is larger than the sum of its proper divisors (1263030473).
13878298951 is a wasteful number, since it uses less digits than its factorization.
13878298951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113921.
The product of its digits is 8709120, while the sum is 61.
The spelling of 13878298951 in words is "thirteen billion, eight hundred seventy-eight million, two hundred ninety-eight thousand, nine hundred fifty-one".
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