Base | Representation |
---|---|
bin | 10010111100011011… |
… | …100110111001110111 |
3 | 1221111121121012020210 |
4 | 102330123212321313 |
5 | 313124323114111 |
6 | 13202235000503 |
7 | 1320034354143 |
oct | 227433467167 |
9 | 57447535223 |
10 | 20341223031 |
11 | 86990a9a28 |
12 | 3b38299133 |
13 | 1bc22a9b5c |
14 | dad74a223 |
15 | 7e0bbe0a6 |
hex | 4bc6e6e77 |
20341223031 has 8 divisors (see below), whose sum is σ = 27783134064. Its totient is φ = 13230063680.
The previous prime is 20341223017. The next prime is 20341223039. The reversal of 20341223031 is 13032214302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20341223031 - 29 = 20341222519 is a prime.
It is a super-2 number, since 2×203412230312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20341222989 and 20341223007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20341223039) 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, 82687776 + ... + 82688021.
It is an arithmetic number, because the mean of its divisors is an integer number (3472891758).
Almost surely, 220341223031 is an apocalyptic number.
20341223031 is a deficient number, since it is larger than the sum of its proper divisors (7441911033).
20341223031 is a wasteful number, since it uses less digits than its factorization.
20341223031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165375841.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20341223031 its reverse (13032214302), we get a palindrome (33373437333).
The spelling of 20341223031 in words is "twenty billion, three hundred forty-one million, two hundred twenty-three thousand, thirty-one".
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