Base | Representation |
---|---|
bin | 101110100101001010… |
… | …0110010100111111110 |
3 | 100120012100101002002211 |
4 | 1131022110302213332 |
5 | 3114330442241110 |
6 | 113542000011034 |
7 | 10140603162451 |
oct | 1351224624776 |
9 | 316170332084 |
10 | 100031212030 |
11 | 39472014172 |
12 | 17478300a7a |
13 | 958211a2b9 |
14 | 4bad267498 |
15 | 2906d5298a |
hex | 174a5329fe |
100031212030 has 16 divisors (see below), whose sum is σ = 181050970464. Its totient is φ = 39791420640.
The previous prime is 100031212003. The next prime is 100031212033. The reversal of 100031212030 is 30212130001.
It is a self number, because there is not a number n which added to its sum of digits gives 100031212030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100031212033) 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, 27631122 + ... + 27634741.
It is an arithmetic number, because the mean of its divisors is an integer number (11315685654).
Almost surely, 2100031212030 is an apocalyptic number.
100031212030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100031212030 is a deficient number, since it is larger than the sum of its proper divisors (81019758434).
100031212030 is a wasteful number, since it uses less digits than its factorization.
100031212030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55266051.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 100031212030 its reverse (30212130001), we get a palindrome (130243342031).
The spelling of 100031212030 in words is "one hundred billion, thirty-one million, two hundred twelve thousand, thirty".
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