Base | Representation |
---|---|
bin | 10011011100100101… |
… | …000110100111100111 |
3 | 1222220012111112020020 |
4 | 103130211012213213 |
5 | 320230412130033 |
6 | 13331543210223 |
7 | 1336304012460 |
oct | 233445064747 |
9 | 58805445206 |
10 | 20880583143 |
11 | 89455aa192 |
12 | 4068a46973 |
13 | 1c79c63454 |
14 | 1021229d67 |
15 | 82320e6b3 |
hex | 4dc9469e7 |
20880583143 has 32 divisors (see below), whose sum is σ = 33214881792. Its totient is φ = 11408364000.
The previous prime is 20880583133. The next prime is 20880583181. The reversal of 20880583143 is 34138508802.
It is not a de Polignac number, because 20880583143 - 25 = 20880583111 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20880583095 and 20880583104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20880583133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1427718 + ... + 1442268.
It is an arithmetic number, because the mean of its divisors is an integer number (1037965056).
Almost surely, 220880583143 is an apocalyptic number.
20880583143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20880583143 is a deficient number, since it is larger than the sum of its proper divisors (12334298649).
20880583143 is a wasteful number, since it uses less digits than its factorization.
20880583143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17555.
The product of its (nonzero) digits is 184320, while the sum is 42.
The spelling of 20880583143 in words is "twenty billion, eight hundred eighty million, five hundred eighty-three thousand, one hundred forty-three".
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