Base | Representation |
---|---|
bin | 1001001001110111011100… |
… | …01100111101010000111010 |
3 | 2122021102121011102112020211 |
4 | 10210323232030331100322 |
5 | 10114303134024420010 |
6 | 110451405305141334 |
7 | 4145234306221315 |
oct | 444735614752072 |
9 | 78242534375224 |
10 | 20130213123130 |
11 | 64611a2572790 |
12 | 231145378a84a |
13 | b3036a388b16 |
14 | 4d8443b6397c |
15 | 24d97679708a |
hex | 124eee33d43a |
20130213123130 has 32 divisors (see below), whose sum is σ = 39536245447488. Its totient is φ = 7318628064000.
The previous prime is 20130213123091. The next prime is 20130213123157. The reversal of 20130213123130 is 3132131203102.
It is a Harshad number since it is a multiple of its sum of digits (22).
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, 17559807 + ... + 18671026.
It is an arithmetic number, because the mean of its divisors is an integer number (1235507670234).
Almost surely, 220130213123130 is an apocalyptic number.
20130213123130 is a deficient number, since it is larger than the sum of its proper divisors (19406032324358).
20130213123130 is a wasteful number, since it uses less digits than its factorization.
20130213123130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36235902.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 20130213123130 its reverse (3132131203102), we get a palindrome (23262344326232).
The spelling of 20130213123130 in words is "twenty trillion, one hundred thirty billion, two hundred thirteen million, one hundred twenty-three thousand, one hundred thirty".
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