Base | Representation |
---|---|
bin | 1001001111101111010100… |
… | …10111011000100011111111 |
3 | 2122222201110220000022120020 |
4 | 10213313222113120203333 |
5 | 10131104430111213211 |
6 | 111124221504023223 |
7 | 4165640134161645 |
oct | 447675227304377 |
9 | 78881426008506 |
10 | 20332012210431 |
11 | 6529837924899 |
12 | 2344591901b13 |
13 | b463ba33879c |
14 | 504108b61195 |
15 | 253d37b44306 |
hex | 127dea5d88ff |
20332012210431 has 32 divisors (see below), whose sum is σ = 27511412977152. Its totient is φ = 13353928667520.
The previous prime is 20332012210423. The next prime is 20332012210439. The reversal of 20332012210431 is 13401221023302.
It is an interprime number because it is at equal distance from previous prime (20332012210423) and next prime (20332012210439).
It is not a de Polignac number, because 20332012210431 - 23 = 20332012210423 is a prime.
It is a super-2 number, since 2×203320122104312 (a number of 27 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20332012210439) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2187880021 + ... + 2187889313.
It is an arithmetic number, because the mean of its divisors is an integer number (859731655536).
Almost surely, 220332012210431 is an apocalyptic number.
20332012210431 is a deficient number, since it is larger than the sum of its proper divisors (7179400766721).
20332012210431 is a wasteful number, since it uses less digits than its factorization.
20332012210431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15823.
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 20332012210431 its reverse (13401221023302), we get a palindrome (33733233233733).
The spelling of 20332012210431 in words is "twenty trillion, three hundred thirty-two billion, twelve million, two hundred ten thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •