Base | Representation |
---|---|
bin | 10010111011110001… |
… | …010000001101011110 |
3 | 1221110211201002210112 |
4 | 102323301100031132 |
5 | 313114002320110 |
6 | 13201201010022 |
7 | 1316541111653 |
oct | 227361201536 |
9 | 57424632715 |
10 | 20330120030 |
11 | 86929060a0 |
12 | 3b34623912 |
13 | 1bbcbc022c |
14 | dac099c2a |
15 | 7dec29405 |
hex | 4bbc5035e |
20330120030 has 32 divisors (see below), whose sum is σ = 39927061728. Its totient is φ = 7391641600.
The previous prime is 20330119991. The next prime is 20330120033. The reversal of 20330120030 is 3002103302.
It is a junction number, because it is equal to n+sod(n) for n = 20330119987 and 20330120014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20330120033) 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, 1125470 + ... + 1143390.
It is an arithmetic number, because the mean of its divisors is an integer number (1247720679).
Almost surely, 220330120030 is an apocalyptic number.
20330120030 is a deficient number, since it is larger than the sum of its proper divisors (19596941698).
20330120030 is a wasteful number, since it uses less digits than its factorization.
20330120030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28252.
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 20330120030 its reverse (3002103302), we get a palindrome (23332223332).
The spelling of 20330120030 in words is "twenty billion, three hundred thirty million, one hundred twenty thousand, thirty".
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