Base | Representation |
---|---|
bin | 101101000111000111001… |
… | …011000111010101010100 |
3 | 101222100200020101002101001 |
4 | 231013013023013111110 |
5 | 401242311312000040 |
6 | 10332043141113044 |
7 | 436653132505366 |
oct | 55070713072524 |
9 | 11870606332331 |
10 | 3100013000020 |
11 | a957875809a2 |
12 | 4209780b8784 |
13 | 196439c41861 |
14 | aa08197cd36 |
15 | 55989b9a59a |
hex | 2d1c72c7554 |
3100013000020 has 48 divisors (see below), whose sum is σ = 6611212742400. Its totient is φ = 1220868963200.
The previous prime is 3100013000017. The next prime is 3100013000047. The reversal of 3100013000020 is 200003100013.
3100013000020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×31000130000202 (a number of 26 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 3100012999970 and 3100013000006.
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, 3925180 + ... + 4648339.
It is an arithmetic number, because the mean of its divisors is an integer number (137733598800).
Almost surely, 23100013000020 is an apocalyptic number.
It is an amenable number.
3100013000020 is an abundant number, since it is smaller than the sum of its proper divisors (3511199742380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3100013000020 is a wasteful number, since it uses less digits than its factorization.
3100013000020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8573808 (or 8573806 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 10.
Adding to 3100013000020 its reverse (200003100013), we get a palindrome (3300016100033).
The spelling of 3100013000020 in words is "three trillion, one hundred billion, thirteen million, twenty", and thus it is an aban number.
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