Base | Representation |
---|---|
bin | 1001001001110111011110… |
… | …11001001011001100010000 |
3 | 2122021102122120000121122110 |
4 | 10210323233121023030100 |
5 | 10114303204133244440 |
6 | 110451411301305320 |
7 | 4145234641105110 |
oct | 444735731131420 |
9 | 78242576017573 |
10 | 20130233103120 |
11 | 6461202879a78 |
12 | 231145a405240 |
13 | b303715630ba |
14 | 4d8446685040 |
15 | 24d9783e2080 |
hex | 124eef64b310 |
20130233103120 has 80 divisors (see below), whose sum is σ = 71318540142720. Its totient is φ = 4601196137472.
The previous prime is 20130233103109. The next prime is 20130233103163. The reversal of 20130233103120 is 2130133203102.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 5991139125 + ... + 5991142484.
It is an arithmetic number, because the mean of its divisors is an integer number (891481751784).
Almost surely, 220130233103120 is an apocalyptic number.
20130233103120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20130233103120 is an abundant number, since it is smaller than the sum of its proper divisors (51188307039600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130233103120 is a wasteful number, since it uses less digits than its factorization.
20130233103120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11982281632 (or 11982281626 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 20130233103120 its reverse (2130133203102), we get a palindrome (22260366306222).
The spelling of 20130233103120 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-three million, one hundred three thousand, one hundred twenty".
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