Base | Representation |
---|---|
bin | 101111111110100010… |
… | …0010011100001110100 |
3 | 100211221100010220100010 |
4 | 1133331010103201310 |
5 | 3142001140341040 |
6 | 115155322420220 |
7 | 10305115436535 |
oct | 1377504234164 |
9 | 324840126303 |
10 | 103030012020 |
11 | 3a770834a71 |
12 | 17b74661670 |
13 | 993c4a1570 |
14 | 4db563a68c |
15 | 2a3025ae80 |
hex | 17fd113874 |
103030012020 has 96 divisors (see below), whose sum is σ = 324182783232. Its totient is φ = 24258567168.
The previous prime is 103030011919. The next prime is 103030012067. The reversal of 103030012020 is 20210030301.
It is a happy number.
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 = 103030011987 and 103030012005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2853577 + ... + 2889456.
It is an arithmetic number, because the mean of its divisors is an integer number (3376903992).
Almost surely, 2103030012020 is an apocalyptic number.
103030012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103030012020 is an abundant number, since it is smaller than the sum of its proper divisors (221152771212).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103030012020 is a wasteful number, since it uses less digits than its factorization.
103030012020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5743081 (or 5743079 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 103030012020 its reverse (20210030301), we get a palindrome (123240042321).
The spelling of 103030012020 in words is "one hundred three billion, thirty million, twelve thousand, twenty".
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