Base | Representation |
---|---|
bin | 101110100101001010… |
… | …1001010110101111110 |
3 | 100120012100120010011220 |
4 | 1131022111022311332 |
5 | 3114331003424410 |
6 | 113542002054210 |
7 | 10140604054614 |
oct | 1351225126576 |
9 | 316170503156 |
10 | 100031311230 |
11 | 39472081754 |
12 | 1747834a366 |
13 | 95821534b6 |
14 | 4bad2916b4 |
15 | 2906d72070 |
hex | 174a54ad7e |
100031311230 has 32 divisors (see below), whose sum is σ = 240857172864. Its totient is φ = 26588124576.
The previous prime is 100031311199. The next prime is 100031311253. The reversal of 100031311230 is 32113130001.
It is a super-2 number, since 2×1000313112302 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5421372 + ... + 5439791.
It is an arithmetic number, because the mean of its divisors is an integer number (7526786652).
Almost surely, 2100031311230 is an apocalyptic number.
100031311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100031311230 is an abundant number, since it is smaller than the sum of its proper divisors (140825861634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100031311230 is a wasteful number, since it uses less digits than its factorization.
100031311230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10861480.
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 100031311230 its reverse (32113130001), we get a palindrome (132144441231).
The spelling of 100031311230 in words is "one hundred billion, thirty-one million, three hundred eleven thousand, two hundred thirty".
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