Base | Representation |
---|---|
bin | 111101011100101… |
… | …101110110101111 |
3 | 2122211220002010001 |
4 | 331130231312233 |
5 | 4102410004111 |
6 | 250144325131 |
7 | 34355554144 |
oct | 7534556657 |
9 | 2584802101 |
10 | 1030938031 |
11 | 489a35002 |
12 | 2493137a7 |
13 | 135780106 |
14 | 9acc23cb |
15 | 607931c1 |
hex | 3d72ddaf |
1030938031 has 2 divisors, whose sum is σ = 1030938032. Its totient is φ = 1030938030.
The previous prime is 1030938001. The next prime is 1030938037. The reversal of 1030938031 is 1308390301.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1030938031 - 213 = 1030929839 is a prime.
It is a super-2 number, since 2×10309380312 = 2125666447524313922, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1030938037) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515469015 + 515469016.
It is an arithmetic number, because the mean of its divisors is an integer number (515469016).
Almost surely, 21030938031 is an apocalyptic number.
1030938031 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030938031 is an equidigital number, since it uses as much as digits as its factorization.
1030938031 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1944, while the sum is 28.
The square root of 1030938031 is about 32108.2237285092. The cubic root of 1030938031 is about 1010.2081167709.
The spelling of 1030938031 in words is "one billion, thirty million, nine hundred thirty-eight thousand, thirty-one".
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