Base | Representation |
---|---|
bin | 101110101101001111… |
… | …0001100010100010100 |
3 | 100120220020010020000210 |
4 | 1131122132030110110 |
5 | 3120404320041040 |
6 | 114024514205420 |
7 | 10150402612365 |
oct | 1353236142424 |
9 | 316806106023 |
10 | 100302112020 |
11 | 395a0a22360 |
12 | 17532b83870 |
13 | 95c6299956 |
14 | 4bd7223b6c |
15 | 2920a14480 |
hex | 175a78c514 |
100302112020 has 48 divisors (see below), whose sum is σ = 306377362368. Its totient is φ = 24315663360.
The previous prime is 100302112007. The next prime is 100302112021. The reversal of 100302112020 is 20211203001.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 100302111987 and 100302112005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100302112021) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75985789 + ... + 75987108.
It is an arithmetic number, because the mean of its divisors is an integer number (6382861716).
Almost surely, 2100302112020 is an apocalyptic number.
100302112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
100302112020 is an abundant number, since it is smaller than the sum of its proper divisors (206075250348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100302112020 is a wasteful number, since it uses less digits than its factorization.
100302112020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151972920 (or 151972918 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 100302112020 its reverse (20211203001), we get a palindrome (120513315021).
The spelling of 100302112020 in words is "one hundred billion, three hundred two million, one hundred twelve thousand, twenty".
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