Base | Representation |
---|---|
bin | 10010101000010011… |
… | …000010011110001010 |
3 | 1220122001222122112002 |
4 | 102220103002132022 |
5 | 311431334313310 |
6 | 13104530551002 |
7 | 1305463240460 |
oct | 225023023612 |
9 | 56561878462 |
10 | 20003432330 |
11 | 8535463862 |
12 | 3a63138462 |
13 | 1b6a309cbb |
14 | d7a93a830 |
15 | 7c11e7da5 |
hex | 4a84c278a |
20003432330 has 32 divisors (see below), whose sum is σ = 43570503936. Its totient is φ = 6454888704.
The previous prime is 20003432299. The next prime is 20003432369. The reversal of 20003432330 is 3323430002.
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, 8403614 + ... + 8405993.
It is an arithmetic number, because the mean of its divisors is an integer number (1361578248).
Almost surely, 220003432330 is an apocalyptic number.
20003432330 is an abundant number, since it is smaller than the sum of its proper divisors (23567071606).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20003432330 is a wasteful number, since it uses less digits than its factorization.
20003432330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16809638.
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 20003432330 its reverse (3323430002), we get a palindrome (23326862332).
The spelling of 20003432330 in words is "twenty billion, three million, four hundred thirty-two thousand, three hundred thirty".
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