Base | Representation |
---|---|
bin | 100111011011011… |
… | …1101011110011111 |
3 | 10102012111220120002 |
4 | 1032312331132133 |
5 | 10202143433211 |
6 | 335141044515 |
7 | 44533400402 |
oct | 11666753637 |
9 | 3365456502 |
10 | 1323030431 |
11 | 6198a8388 |
12 | 30b0b673b |
13 | 18113c858 |
14 | c79d7d39 |
15 | 7b23e03b |
hex | 4edbd79f |
1323030431 has 8 divisors (see below), whose sum is σ = 1412803200. Its totient is φ = 1236201120.
The previous prime is 1323030427. The next prime is 1323030461. The reversal of 1323030431 is 1340303231.
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 1323030431 - 22 = 1323030427 is a prime.
It is a super-2 number, since 2×13230304312 = 3500819042704091522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1323030461) 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, 734936 + ... + 736733.
It is an arithmetic number, because the mean of its divisors is an integer number (176600400).
Almost surely, 21323030431 is an apocalyptic number.
1323030431 is a deficient number, since it is larger than the sum of its proper divisors (89772769).
1323030431 is a wasteful number, since it uses less digits than its factorization.
1323030431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1471729.
The product of its (nonzero) digits is 648, while the sum is 20.
The square root of 1323030431 is about 36373.4852743039. The cubic root of 1323030431 is about 1097.8001298987.
Adding to 1323030431 its reverse (1340303231), we get a palindrome (2663333662).
The spelling of 1323030431 in words is "one billion, three hundred twenty-three million, thirty thousand, four hundred thirty-one".
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