Base | Representation |
---|---|
bin | 10010101001100001… |
… | …100011000011011111 |
3 | 1220200111201020220222 |
4 | 102221201203003133 |
5 | 312002121404043 |
6 | 13110544031555 |
7 | 1306133205500 |
oct | 225141430337 |
9 | 56614636828 |
10 | 20024013023 |
11 | 85460403a3 |
12 | 3a6a0025bb |
13 | 1b71664821 |
14 | d7d576ba7 |
15 | 7c2e10d68 |
hex | 4a98630df |
20024013023 has 24 divisors (see below), whose sum is σ = 24843596832. Its totient is φ = 16035823104.
The previous prime is 20024013007. The next prime is 20024013041. The reversal of 20024013023 is 32031042002.
It is not a de Polignac number, because 20024013023 - 24 = 20024013007 is a prime.
It is a super-2 number, since 2×200240130232 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20024012992 and 20024013010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20024013323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26390 + ... + 201852.
It is an arithmetic number, because the mean of its divisors is an integer number (1035149868).
Almost surely, 220024013023 is an apocalyptic number.
20024013023 is a deficient number, since it is larger than the sum of its proper divisors (4819583809).
20024013023 is a wasteful number, since it uses less digits than its factorization.
20024013023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175631 (or 175624 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20024013023 its reverse (32031042002), we get a palindrome (52055055025).
The spelling of 20024013023 in words is "twenty billion, twenty-four million, thirteen thousand, twenty-three".
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