Base | Representation |
---|---|
bin | 111001100011000… |
… | …1010001110110101 |
3 | 11222120111200122000 |
4 | 1303012022032311 |
5 | 12423313311423 |
6 | 515335525513 |
7 | 65565116622 |
oct | 16306121665 |
9 | 4876450560 |
10 | 1930994613 |
11 | 900aa5919 |
12 | 45a829899 |
13 | 24a096482 |
14 | 144655349 |
15 | b47d1843 |
hex | 7318a3b5 |
1930994613 has 32 divisors (see below), whose sum is σ = 2906601600. Its totient is φ = 1266772608.
The previous prime is 1930994603. The next prime is 1930994629. The reversal of 1930994613 is 3164990391.
1930994613 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 1930994613 - 220 = 1929946037 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1930994603) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1156143 + ... + 1157811.
It is an arithmetic number, because the mean of its divisors is an integer number (90831300).
Almost surely, 21930994613 is an apocalyptic number.
It is an amenable number.
1930994613 is a deficient number, since it is larger than the sum of its proper divisors (975606987).
1930994613 is a wasteful number, since it uses less digits than its factorization.
1930994613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2338 (or 2332 counting only the distinct ones).
The product of its (nonzero) digits is 157464, while the sum is 45.
The square root of 1930994613 is about 43943.0837902849. The cubic root of 1930994613 is about 1245.2609062721.
The spelling of 1930994613 in words is "one billion, nine hundred thirty million, nine hundred ninety-four thousand, six hundred thirteen".
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