Base | Representation |
---|---|
bin | 10011000001101110… |
… | …011001000011110101 |
3 | 1221201210201012211010 |
4 | 103001232121003311 |
5 | 313320042030031 |
6 | 13215130302433 |
7 | 1322163262560 |
oct | 230156310365 |
9 | 57653635733 |
10 | 20430033141 |
11 | 8734248311 |
12 | 3b61b87a19 |
13 | 1c0780330b |
14 | dbb4674d7 |
15 | 7e88b3246 |
hex | 4c1b990f5 |
20430033141 has 16 divisors (see below), whose sum is σ = 31137378944. Its totient is φ = 11672092224.
The previous prime is 20430033133. The next prime is 20430033149. The reversal of 20430033141 is 14133003402.
It is an interprime number because it is at equal distance from previous prime (20430033133) and next prime (20430033149).
It is not a de Polignac number, because 20430033141 - 23 = 20430033133 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20430033149) 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 15 ways as a sum of consecutive naturals, for example, 24711 + ... + 203643.
It is an arithmetic number, because the mean of its divisors is an integer number (1946086184).
Almost surely, 220430033141 is an apocalyptic number.
20430033141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
20430033141 is a deficient number, since it is larger than the sum of its proper divisors (10707345803).
20430033141 is a wasteful number, since it uses less digits than its factorization.
20430033141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184380.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 20430033141 its reverse (14133003402), we get a palindrome (34563036543).
The spelling of 20430033141 in words is "twenty billion, four hundred thirty million, thirty-three thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •