Base | Representation |
---|---|
bin | 10010101010011110… |
… | …11000101010010000 |
3 | 221212022110022122201 |
4 | 21111033120222100 |
5 | 131010111443440 |
6 | 4334140012544 |
7 | 503206600501 |
oct | 112517305220 |
9 | 27768408581 |
10 | 10020031120 |
11 | 4282056760 |
12 | 1b37831154 |
13 | c38bb1ac8 |
14 | 6b0a98ba8 |
15 | 3d9a1819a |
hex | 2553d8a90 |
10020031120 has 40 divisors (see below), whose sum is σ = 25414444800. Its totient is φ = 3643647360.
The previous prime is 10020031067. The next prime is 10020031163. The reversal of 10020031120 is 2113002001.
It is a tau number, because it is divible by the number of its divisors (40).
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 = 10020031097 and 10020031106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5692320 + ... + 5694079.
It is an arithmetic number, because the mean of its divisors is an integer number (635361120).
Almost surely, 210020031120 is an apocalyptic number.
10020031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10020031120 is an abundant number, since it is smaller than the sum of its proper divisors (15394413680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10020031120 is a wasteful number, since it uses less digits than its factorization.
10020031120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11386423 (or 11386417 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 10020031120 its reverse (2113002001), we get a palindrome (12133033121).
The spelling of 10020031120 in words is "ten billion, twenty million, thirty-one thousand, one hundred twenty".
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