Base | Representation |
---|---|
bin | 1001001111001110000010… |
… | …01110000001011100110111 |
3 | 2122221000100111002122202101 |
4 | 10213213001032001130313 |
5 | 10130311330324141211 |
6 | 111112104335522531 |
7 | 4164435243112366 |
oct | 447470116013467 |
9 | 78830314078671 |
10 | 20314142021431 |
11 | 65221a7645355 |
12 | 2341025089447 |
13 | b447ccc8895b |
14 | 5032d16857dd |
15 | 25363dd7d5c1 |
hex | 1279c1381737 |
20314142021431 has 8 divisors (see below), whose sum is σ = 21537144137600. Its totient is φ = 19106523579960.
The previous prime is 20314142021389. The next prime is 20314142021461. The reversal of 20314142021431 is 13412024141302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20314142021431 - 211 = 20314142019383 is a prime.
It is a super-2 number, since 2×203141420214312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20314142021431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20314142021461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3845915955 + ... + 3845921236.
It is an arithmetic number, because the mean of its divisors is an integer number (2692143017200).
Almost surely, 220314142021431 is an apocalyptic number.
20314142021431 is a deficient number, since it is larger than the sum of its proper divisors (1223002116169).
20314142021431 is a wasteful number, since it uses less digits than its factorization.
20314142021431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7691837349.
The product of its (nonzero) digits is 4608, while the sum is 28.
Adding to 20314142021431 its reverse (13412024141302), we get a palindrome (33726166162733).
The spelling of 20314142021431 in words is "twenty trillion, three hundred fourteen billion, one hundred forty-two million, twenty-one thousand, four hundred thirty-one".
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