Base | Representation |
---|---|
bin | 10101011100000111… |
… | …100101110101010000 |
3 | 2012102022210221112200 |
4 | 111130013211311100 |
5 | 334121201032240 |
6 | 14324141323200 |
7 | 1443315402441 |
oct | 253407456520 |
9 | 65368727480 |
10 | 23020330320 |
11 | 9843415989 |
12 | 4565566500 |
13 | 222b359a40 |
14 | 11854a12c8 |
15 | 8eaec8930 |
hex | 55c1e5d50 |
23020330320 has 120 divisors (see below), whose sum is σ = 83256895176. Its totient is φ = 5666540544.
The previous prime is 23020330301. The next prime is 23020330357. The reversal of 23020330320 is 2303302032.
23020330320 is a `hidden beast` number, since 2 + 302 + 0 + 330 + 32 + 0 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3233969424 + 19786360896 = 56868^2 + 140664^2 .
It is a tau number, because it is divible by the number of its divisors (120).
It is a super-2 number, since 2×230203303202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23020330293 and 23020330302.
It is a congruent number.
It is an unprimeable number.
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, 1220359 + ... + 1239078.
Almost surely, 223020330320 is an apocalyptic number.
23020330320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23020330320 is an abundant number, since it is smaller than the sum of its proper divisors (60236564856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020330320 is a wasteful number, since it uses less digits than its factorization.
23020330320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2459469 (or 2459460 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 18.
Adding to 23020330320 its reverse (2303302032), we get a palindrome (25323632352).
The spelling of 23020330320 in words is "twenty-three billion, twenty million, three hundred thirty thousand, three hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •