Base | Representation |
---|---|
bin | 10011101011100101… |
… | …000011110101110011 |
3 | 2000112202000111211022 |
4 | 103223211003311303 |
5 | 321234322330003 |
6 | 13412533010055 |
7 | 1345450664003 |
oct | 235345036563 |
9 | 60482014738 |
10 | 21132230003 |
11 | 8a646581a5 |
12 | 411918392b |
13 | 1cba131611 |
14 | 1046814003 |
15 | 83a36b738 |
hex | 4eb943d73 |
21132230003 has 8 divisors (see below), whose sum is σ = 21350900400. Its totient is φ = 20914584480.
The previous prime is 21132229973. The next prime is 21132230047. The reversal of 21132230003 is 30003223112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21132230003 - 28 = 21132229747 is a prime.
It is a super-2 number, since 2×211322300032 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (21132430003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214733 + ... + 297278.
It is an arithmetic number, because the mean of its divisors is an integer number (2668862550).
Almost surely, 221132230003 is an apocalyptic number.
21132230003 is a deficient number, since it is larger than the sum of its proper divisors (218670397).
21132230003 is a wasteful number, since it uses less digits than its factorization.
21132230003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512437.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 21132230003 its reverse (30003223112), we get a palindrome (51135453115).
The spelling of 21132230003 in words is "twenty-one billion, one hundred thirty-two million, two hundred thirty thousand, three".
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