Base | Representation |
---|---|
bin | 11001011110100010… |
… | …11101111011011110 |
3 | 1022022020120220102212 |
4 | 30233101131323132 |
5 | 211003032310303 |
6 | 10141131120422 |
7 | 662645111255 |
oct | 145721357336 |
9 | 38266526385 |
10 | 13678010078 |
11 | 5889975467 |
12 | 27988a3112 |
13 | 139c9b1cb5 |
14 | 93a81b79c |
15 | 550c2dad8 |
hex | 32f45dede |
13678010078 has 4 divisors (see below), whose sum is σ = 20517015120. Its totient is φ = 6839005038.
The previous prime is 13678010069. The next prime is 13678010083. The reversal of 13678010078 is 87001087631.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87001087631 = 443 ⋅196390717.
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, 3419502518 + ... + 3419502521.
It is an arithmetic number, because the mean of its divisors is an integer number (5129253780).
Almost surely, 213678010078 is an apocalyptic number.
13678010078 is a deficient number, since it is larger than the sum of its proper divisors (6839005042).
13678010078 is an equidigital number, since it uses as much as digits as its factorization.
13678010078 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6839005041.
The product of its (nonzero) digits is 56448, while the sum is 41.
The spelling of 13678010078 in words is "thirteen billion, six hundred seventy-eight million, ten thousand, seventy-eight".
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