Base | Representation |
---|---|
bin | 111101111010010… |
… | …111010010000101 |
3 | 2200101111221002210 |
4 | 331322113102011 |
5 | 4111402204033 |
6 | 251023054033 |
7 | 34511613504 |
oct | 7572272205 |
9 | 2611457083 |
10 | 1038709893 |
11 | 493363131 |
12 | 24ba41319 |
13 | 137271750 |
14 | 9bd4683b |
15 | 612cad63 |
hex | 3de97485 |
1038709893 has 8 divisors (see below), whose sum is σ = 1491480928. Its totient is φ = 639206064.
The previous prime is 1038709813. The next prime is 1038709909. The reversal of 1038709893 is 3989078301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1038709893 - 29 = 1038709381 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 (1038709813) 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, 13316755 + ... + 13316832.
It is an arithmetic number, because the mean of its divisors is an integer number (186435116).
Almost surely, 21038709893 is an apocalyptic number.
1038709893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1038709893 is a deficient number, since it is larger than the sum of its proper divisors (452771035).
1038709893 is a wasteful number, since it uses less digits than its factorization.
1038709893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26633603.
The product of its (nonzero) digits is 326592, while the sum is 48.
The square root of 1038709893 is about 32229.0225262883. The cubic root of 1038709893 is about 1012.7402932799.
The spelling of 1038709893 in words is "one billion, thirty-eight million, seven hundred nine thousand, eight hundred ninety-three".
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