Base | Representation |
---|---|
bin | 100100010000011101… |
… | …001000011001100001 |
3 | 10201111011010102020110 |
4 | 210100131020121201 |
5 | 1114212234341242 |
6 | 25515021401533 |
7 | 2545512102420 |
oct | 442035103141 |
9 | 121434112213 |
10 | 38930777697 |
11 | 15568455549 |
12 | 7665a092a9 |
13 | 38956b9846 |
14 | 1c545a12b7 |
15 | 102cbd039c |
hex | 910748661 |
38930777697 has 16 divisors (see below), whose sum is σ = 60926417792. Its totient is φ = 21644910720.
The previous prime is 38930777687. The next prime is 38930777749. The reversal of 38930777697 is 79677703983.
It is not a de Polignac number, because 38930777697 - 28 = 38930777441 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (38930777657) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25051204 + ... + 25052757.
It is an arithmetic number, because the mean of its divisors is an integer number (3807901112).
Almost surely, 238930777697 is an apocalyptic number.
38930777697 is a gapful number since it is divisible by the number (37) formed by its first and last digit.
It is an amenable number.
38930777697 is a deficient number, since it is larger than the sum of its proper divisors (21995640095).
38930777697 is a wasteful number, since it uses less digits than its factorization.
38930777697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50104008.
The product of its (nonzero) digits is 84015792, while the sum is 66.
The spelling of 38930777697 in words is "thirty-eight billion, nine hundred thirty million, seven hundred seventy-seven thousand, six hundred ninety-seven".
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