Base | Representation |
---|---|
bin | 1001101011111010111101… |
… | …01011100100100010100111 |
3 | 2210102021212201012210110110 |
4 | 10311331132223210202213 |
5 | 10242441034303113111 |
6 | 113145123114424103 |
7 | 4325620031510436 |
oct | 465753653444247 |
9 | 83367781183413 |
10 | 21300331301031 |
11 | 68724687a2632 |
12 | 2480191a32033 |
13 | bb67c6c18193 |
14 | 538d2780711d |
15 | 26e10cdee5a6 |
hex | 135f5eae48a7 |
21300331301031 has 8 divisors (see below), whose sum is σ = 28501510923504. Its totient is φ = 14149686272960.
The previous prime is 21300331301027. The next prime is 21300331301089. The reversal of 21300331301031 is 13010313300312.
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 21300331301031 - 22 = 21300331301027 is a prime.
It is a super-2 number, since 2×213003313010312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 21300331300989 and 21300331301007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21300331301021) 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, 12633647616 + ... + 12633649301.
It is an arithmetic number, because the mean of its divisors is an integer number (3562688865438).
Almost surely, 221300331301031 is an apocalyptic number.
21300331301031 is a deficient number, since it is larger than the sum of its proper divisors (7201179622473).
21300331301031 is a wasteful number, since it uses less digits than its factorization.
21300331301031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25267297201.
The product of its (nonzero) digits is 486, while the sum is 21.
Adding to 21300331301031 its reverse (13010313300312), we get a palindrome (34310644601343).
The spelling of 21300331301031 in words is "twenty-one trillion, three hundred billion, three hundred thirty-one million, three hundred one thousand, thirty-one".
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