Base | Representation |
---|---|
bin | 1011111100011… |
… | …11101001111010 |
3 | 20222112211212001 |
4 | 11332033221322 |
5 | 201123000010 |
6 | 13535411214 |
7 | 2324466256 |
oct | 576175172 |
9 | 228484761 |
10 | 100203130 |
11 | 51620105 |
12 | 29683b0a |
13 | 179b50c1 |
14 | d445266 |
15 | 8be4c3a |
hex | 5f8fa7a |
100203130 has 8 divisors (see below), whose sum is σ = 180365652. Its totient is φ = 40081248.
The previous prime is 100203119. The next prime is 100203143. The reversal of 100203130 is 31302001.
It can be written as a sum of positive squares in 2 ways, for example, as 98426241 + 1776889 = 9921^2 + 1333^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 10020313 = 100203130 / (1 + 0 + 0 + 2 + 0 + 3 + 1 + 3 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5010147 + ... + 5010166.
Almost surely, 2100203130 is an apocalyptic number.
100203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100203130 is a deficient number, since it is larger than the sum of its proper divisors (80162522).
100203130 is a wasteful number, since it uses less digits than its factorization.
100203130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10020320.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 100203130 is about 10010.1513475072. The cubic root of 100203130 is about 464.4729527807.
Adding to 100203130 its reverse (31302001), we get a palindrome (131505131).
The spelling of 100203130 in words is "one hundred million, two hundred three thousand, one hundred thirty".
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