Base | Representation |
---|---|
bin | 111101011100111… |
… | …101100000010010 |
3 | 2122212000100001002 |
4 | 331130331200102 |
5 | 4102414032010 |
6 | 250145542002 |
7 | 34356242054 |
oct | 7534754022 |
9 | 2585010032 |
10 | 1031002130 |
11 | 489a79184 |
12 | 249344902 |
13 | 1357a3342 |
14 | 9acdb8d4 |
15 | 607a71a5 |
hex | 3d73d812 |
1031002130 has 16 divisors (see below), whose sum is σ = 1953478080. Its totient is φ = 390695472.
The previous prime is 1031002127. The next prime is 1031002139. The reversal of 1031002130 is 312001301.
It is not an unprimeable number, because it can be changed into a prime (1031002139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2712974 + ... + 2713353.
It is an arithmetic number, because the mean of its divisors is an integer number (122092380).
Almost surely, 21031002130 is an apocalyptic number.
1031002130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1031002130 is a deficient number, since it is larger than the sum of its proper divisors (922475950).
1031002130 is a wasteful number, since it uses less digits than its factorization.
1031002130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5426353.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 1031002130 is about 32109.2218840632. The cubic root of 1031002130 is about 1010.2290530399.
Adding to 1031002130 its reverse (312001301), we get a palindrome (1343003431).
The spelling of 1031002130 in words is "one billion, thirty-one million, two thousand, one hundred thirty".
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