Base | Representation |
---|---|
bin | 10010101001010010… |
… | …101010111011001110 |
3 | 1220200020101010020110 |
4 | 102221102222323032 |
5 | 312000122104402 |
6 | 13110324300450 |
7 | 1306055103453 |
oct | 225122527316 |
9 | 56606333213 |
10 | 20020113102 |
11 | 8543917320 |
12 | 3a68841726 |
13 | 1b708ca692 |
14 | d7cc3d82a |
15 | 7c28e056c |
hex | 4a94aaece |
20020113102 has 32 divisors (see below), whose sum is σ = 43688211840. Its totient is φ = 6065594720.
The previous prime is 20020113101. The next prime is 20020113103. The reversal of 20020113102 is 20131102002.
It is an interprime number because it is at equal distance from previous prime (20020113101) and next prime (20020113103).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020113101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382849 + ... + 431987.
It is an arithmetic number, because the mean of its divisors is an integer number (1365256620).
Almost surely, 220020113102 is an apocalyptic number.
20020113102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
20020113102 is an abundant number, since it is smaller than the sum of its proper divisors (23668098738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020113102 is a wasteful number, since it uses less digits than its factorization.
20020113102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55328.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20020113102 its reverse (20131102002), we get a palindrome (40151215104).
The spelling of 20020113102 in words is "twenty billion, twenty million, one hundred thirteen thousand, one hundred two".
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