Base | Representation |
---|---|
bin | 1011111011111… |
… | …01110011100111 |
3 | 20222102010120101 |
4 | 11331331303213 |
5 | 201113130043 |
6 | 13534044531 |
7 | 2324043160 |
oct | 575756347 |
9 | 228363511 |
10 | 100130023 |
11 | 51580194 |
12 | 29649747 |
13 | 1798aa46 |
14 | d426767 |
15 | 8bcd24d |
hex | 5f7dce7 |
100130023 has 8 divisors (see below), whose sum is σ = 114549920. Its totient is φ = 85739040.
The previous prime is 100130003. The next prime is 100130039. The reversal of 100130023 is 320031001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-100130023 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 100129991 and 100130009.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100130003) 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, 793 + ... + 14173.
It is an arithmetic number, because the mean of its divisors is an integer number (14318740).
Almost surely, 2100130023 is an apocalyptic number.
100130023 is a deficient number, since it is larger than the sum of its proper divisors (14419897).
100130023 is a wasteful number, since it uses less digits than its factorization.
100130023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14457.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 100130023 is about 10006.4990381252. The cubic root of 100130023 is about 464.3599673363.
Adding to 100130023 its reverse (320031001), we get a palindrome (420161024).
The spelling of 100130023 in words is "one hundred million, one hundred thirty thousand, twenty-three".
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