Base | Representation |
---|---|
bin | 10101011011000110… |
… | …010010110011110000 |
3 | 2012101010121022001100 |
4 | 111123012102303300 |
5 | 334102310304130 |
6 | 14322330404400 |
7 | 1443020041023 |
oct | 253306226360 |
9 | 65333538040 |
10 | 23003213040 |
11 | 9834794475 |
12 | 455b890700 |
13 | 2227945782 |
14 | 11830c71ba |
15 | 8e9746c60 |
hex | 55b192cf0 |
23003213040 has 60 divisors (see below), whose sum is σ = 77252459544. Its totient is φ = 6134189952.
The previous prime is 23003213003. The next prime is 23003213071. The reversal of 23003213040 is 4031230032.
23003213040 is a `hidden beast` number, since 2 + 300 + 321 + 3 + 0 + 40 = 666.
It is a tau number, because it is divible by the number of its divisors (60).
It is a Harshad number since it is a multiple of its sum of digits (18).
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 11 ways as a sum of consecutive naturals, for example, 15973734 + ... + 15975173.
Almost surely, 223003213040 is an apocalyptic number.
23003213040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23003213040 is an abundant number, since it is smaller than the sum of its proper divisors (54249246504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23003213040 is a wasteful number, since it uses less digits than its factorization.
23003213040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31948926 (or 31948917 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 23003213040 its reverse (4031230032), we get a palindrome (27034443072).
The spelling of 23003213040 in words is "twenty-three billion, three million, two hundred thirteen thousand, forty".
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