Base | Representation |
---|---|
bin | 101000111111111… |
… | …0100110101111101 |
3 | 10112212121002102211 |
4 | 1101333310311331 |
5 | 10304133423023 |
6 | 344301420421 |
7 | 46043065252 |
oct | 12177646575 |
9 | 3485532384 |
10 | 1375686013 |
11 | 6465a2299 |
12 | 32486a711 |
13 | 18c0178c0 |
14 | d09c3429 |
15 | 80b90a0d |
hex | 51ff4d7d |
1375686013 has 16 divisors (see below), whose sum is σ = 1579244800. Its totient is φ = 1187784000.
The previous prime is 1375686001. The next prime is 1375686017. The reversal of 1375686013 is 3106865731.
It is a happy number.
It is not a de Polignac number, because 1375686013 - 29 = 1375685501 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 (1375686017) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15738 + ... + 54763.
It is an arithmetic number, because the mean of its divisors is an integer number (98702800).
Almost surely, 21375686013 is an apocalyptic number.
1375686013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1375686013 is a deficient number, since it is larger than the sum of its proper divisors (203558787).
1375686013 is a wasteful number, since it uses less digits than its factorization.
1375686013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70612.
The product of its (nonzero) digits is 90720, while the sum is 40.
The square root of 1375686013 is about 37090.2414793972. The cubic root of 1375686013 is about 1112.1749453567.
The spelling of 1375686013 in words is "one billion, three hundred seventy-five million, six hundred eighty-six thousand, thirteen".
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