Base | Representation |
---|---|
bin | 1011101010010110… |
… | …0110111100010011 |
3 | 22002011102212022221 |
4 | 2322211212330103 |
5 | 22402341433021 |
6 | 1234343441511 |
7 | 140401065604 |
oct | 27245467423 |
9 | 8064385287 |
10 | 3130421011 |
11 | 136704a703 |
12 | 734456297 |
13 | 3ab719833 |
14 | 219a75dab |
15 | 134c57241 |
hex | ba966f13 |
3130421011 has 4 divisors (see below), whose sum is σ = 3160813552. Its totient is φ = 3100028472.
The previous prime is 3130420973. The next prime is 3130421029. The reversal of 3130421011 is 1101240313.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 3130421011 - 221 = 3128323859 is a prime.
It is a super-2 number, since 2×31304210112 = 19599071412220524242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3130421081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15196116 + ... + 15196321.
It is an arithmetic number, because the mean of its divisors is an integer number (790203388).
Almost surely, 23130421011 is an apocalyptic number.
3130421011 is a deficient number, since it is larger than the sum of its proper divisors (30392541).
3130421011 is a wasteful number, since it uses less digits than its factorization.
3130421011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30392540.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 3130421011 is about 55950.1654242416. The cubic root of 3130421011 is about 1462.8537744594.
Adding to 3130421011 its reverse (1101240313), we get a palindrome (4231661324).
The spelling of 3130421011 in words is "three billion, one hundred thirty million, four hundred twenty-one thousand, eleven".
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