Base | Representation |
---|---|
bin | 10010111011111101… |
… | …000011011000101110 |
3 | 1221111001112020212111 |
4 | 102323331003120232 |
5 | 313120300310410 |
6 | 13201351154234 |
7 | 1316606314021 |
oct | 227375033056 |
9 | 57431466774 |
10 | 20333213230 |
11 | 8694629060 |
12 | 3b3567597a |
13 | 1bc0734125 |
14 | dac6631b8 |
15 | 7e013ab8a |
hex | 4bbf4362e |
20333213230 has 128 divisors (see below), whose sum is σ = 41738457600. Its totient is φ = 7067596800.
The previous prime is 20333213213. The next prime is 20333213231. The reversal of 20333213230 is 3231233302.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20333213231) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71848669 + ... + 71848951.
It is an arithmetic number, because the mean of its divisors is an integer number (326081700).
Almost surely, 220333213230 is an apocalyptic number.
20333213230 is an abundant number, since it is smaller than the sum of its proper divisors (21405244370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20333213230 is a wasteful number, since it uses less digits than its factorization.
20333213230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 610.
The product of its (nonzero) digits is 1944, while the sum is 22.
Adding to 20333213230 its reverse (3231233302), we get a palindrome (23564446532).
The spelling of 20333213230 in words is "twenty billion, three hundred thirty-three million, two hundred thirteen thousand, two hundred thirty".
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