Base | Representation |
---|---|
bin | 111101011100001… |
… | …111100010001111 |
3 | 2122211122202202100 |
4 | 331130033202033 |
5 | 4102342020324 |
6 | 250141530143 |
7 | 34354526106 |
oct | 7534174217 |
9 | 2584582670 |
10 | 1030813839 |
11 | 48995a770 |
12 | 249273953 |
13 | 135738723 |
14 | 9ac8d03d |
15 | 6076b4c9 |
hex | 3d70f88f |
1030813839 has 48 divisors (see below), whose sum is σ = 1723887360. Its totient is φ = 587368320.
The previous prime is 1030813837. The next prime is 1030813871. The reversal of 1030813839 is 9383180301.
It is not a de Polignac number, because 1030813839 - 21 = 1030813837 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030813837) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130507 + ... + 138179.
It is an arithmetic number, because the mean of its divisors is an integer number (35914320).
Almost surely, 21030813839 is an apocalyptic number.
1030813839 is a deficient number, since it is larger than the sum of its proper divisors (693073521).
1030813839 is a wasteful number, since it uses less digits than its factorization.
1030813839 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7772 (or 7769 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 36.
The square root of 1030813839 is about 32106.2897108962. The cubic root of 1030813839 is about 1010.1675502186.
The spelling of 1030813839 in words is "one billion, thirty million, eight hundred thirteen thousand, eight hundred thirty-nine".
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