Base | Representation |
---|---|
bin | 10011001011110110… |
… | …11101100110001011 |
3 | 222120211022021202010 |
4 | 21211323131212023 |
5 | 132043301134011 |
6 | 4422021111003 |
7 | 513146510061 |
oct | 114573354613 |
9 | 28524267663 |
10 | 10300021131 |
11 | 4406103364 |
12 | 1bb5558463 |
13 | c81bc4a7a |
14 | 6d9d40031 |
15 | 4043c31a6 |
hex | 265edd98b |
10300021131 has 4 divisors (see below), whose sum is σ = 13733361512. Its totient is φ = 6866680752.
The previous prime is 10300021073. The next prime is 10300021133. The reversal of 10300021131 is 13112000301.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 10300021131 - 27 = 10300021003 is a prime.
It is a super-2 number, since 2×103000211312 (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 (10300021133) 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, 1716670186 + ... + 1716670191.
It is an arithmetic number, because the mean of its divisors is an integer number (3433340378).
Almost surely, 210300021131 is an apocalyptic number.
10300021131 is a deficient number, since it is larger than the sum of its proper divisors (3433340381).
10300021131 is an equidigital number, since it uses as much as digits as its factorization.
10300021131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3433340380.
The product of its (nonzero) digits is 18, while the sum is 12.
Adding to 10300021131 its reverse (13112000301), we get a palindrome (23412021432).
The spelling of 10300021131 in words is "ten billion, three hundred million, twenty-one thousand, one hundred thirty-one".
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