Base | Representation |
---|---|
bin | 10011101001111010… |
… | …010000011001011000 |
3 | 2000110210100001211010 |
4 | 103221322100121120 |
5 | 321210140411044 |
6 | 13410052533520 |
7 | 1344661004151 |
oct | 235172203130 |
9 | 60423301733 |
10 | 21104232024 |
11 | 8a4a874977 |
12 | 410b9212a0 |
13 | 1cb43aa975 |
14 | 1042c06928 |
15 | 837b8abb9 |
hex | 4e9e90658 |
21104232024 has 16 divisors (see below), whose sum is σ = 52760580120. Its totient is φ = 7034744000.
The previous prime is 21104232001. The next prime is 21104232029. The reversal of 21104232024 is 42023240112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21104232029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439671477 + ... + 439671524.
Almost surely, 221104232024 is an apocalyptic number.
21104232024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
21104232024 is an abundant number, since it is smaller than the sum of its proper divisors (31656348096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21104232024 is a wasteful number, since it uses less digits than its factorization.
21104232024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 879343010 (or 879343006 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 21104232024 its reverse (42023240112), we get a palindrome (63127472136).
The spelling of 21104232024 in words is "twenty-one billion, one hundred four million, two hundred thirty-two thousand, twenty-four".
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