Base | Representation |
---|---|
bin | 10010101010000000… |
… | …011110010011011010 |
3 | 1220201001222010122100 |
4 | 102222000132103122 |
5 | 312011210320101 |
6 | 13111433504230 |
7 | 1306262132202 |
oct | 225200362332 |
9 | 56631863570 |
10 | 20032120026 |
11 | 854a6782a6 |
12 | 3a70872076 |
13 | 1b73242879 |
14 | d80687402 |
15 | 7c39b2e86 |
hex | 4aa01e4da |
20032120026 has 24 divisors (see below), whose sum is σ = 43410092544. Its totient is φ = 6676270920.
The previous prime is 20032120021. The next prime is 20032120027. The reversal of 20032120026 is 62002123002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 20032119990 and 20032120008.
It is not an unprimeable number, because it can be changed into a prime (20032120021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24145 + ... + 201611.
It is an arithmetic number, because the mean of its divisors is an integer number (1808753856).
Almost surely, 220032120026 is an apocalyptic number.
20032120026 is an abundant number, since it is smaller than the sum of its proper divisors (23377972518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20032120026 is a wasteful number, since it uses less digits than its factorization.
20032120026 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 183746 (or 183743 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20032120026 its reverse (62002123002), we get a palindrome (82034243028).
The spelling of 20032120026 in words is "twenty billion, thirty-two million, one hundred twenty thousand, twenty-six".
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