Base | Representation |
---|---|
bin | 10010111010000110… |
… | …000010001010111000 |
3 | 1221101212211010100120 |
4 | 102322012002022320 |
5 | 313034303404422 |
6 | 13154314333240 |
7 | 1316050156413 |
oct | 227206021270 |
9 | 57355733316 |
10 | 20302013112 |
11 | 8678a58a37 |
12 | 3b2712a220 |
13 | 1bb712bb14 |
14 | da8460b7a |
15 | 7dc52645c |
hex | 4ba1822b8 |
20302013112 has 32 divisors (see below), whose sum is σ = 50762474880. Its totient is φ = 6766345440.
The previous prime is 20302013101. The next prime is 20302013113. The reversal of 20302013112 is 21131020302.
It is a junction number, because it is equal to n+sod(n) for n = 20302013091 and 20302013100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20302013113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115437 + ... + 232227.
It is an arithmetic number, because the mean of its divisors is an integer number (1586327340).
Almost surely, 220302013112 is an apocalyptic number.
It is an amenable number.
20302013112 is an abundant number, since it is smaller than the sum of its proper divisors (30460461768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302013112 is a wasteful number, since it uses less digits than its factorization.
20302013112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124043 (or 124039 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20302013112 its reverse (21131020302), we get a palindrome (41433033414).
The spelling of 20302013112 in words is "twenty billion, three hundred two million, thirteen thousand, one hundred twelve".
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