Base | Representation |
---|---|
bin | 11001011110101000… |
… | …00000011101111110 |
3 | 1022022021211201200122 |
4 | 30233110000131332 |
5 | 211003220111323 |
6 | 10141153254542 |
7 | 662653553252 |
oct | 145724003576 |
9 | 38267751618 |
10 | 13678675838 |
11 | 588a28a683 |
12 | 2798b64452 |
13 | 139cb86039 |
14 | 93a952262 |
15 | 550d10ec8 |
hex | 32f50077e |
13678675838 has 4 divisors (see below), whose sum is σ = 20518013760. Its totient is φ = 6839337918.
The previous prime is 13678675837. The next prime is 13678675859. The reversal of 13678675838 is 83857687631.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13678675837) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419668958 + ... + 3419668961.
It is an arithmetic number, because the mean of its divisors is an integer number (5129503440).
Almost surely, 213678675838 is an apocalyptic number.
13678675838 is a deficient number, since it is larger than the sum of its proper divisors (6839337922).
13678675838 is an equidigital number, since it uses as much as digits as its factorization.
13678675838 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6839337921.
The product of its digits is 40642560, while the sum is 62.
The spelling of 13678675838 in words is "thirteen billion, six hundred seventy-eight million, six hundred seventy-five thousand, eight hundred thirty-eight".
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