Base | Representation |
---|---|
bin | 101010101010001… |
… | …0111001101100001 |
3 | 10200202102201110110 |
4 | 1111110113031201 |
5 | 10412414320223 |
6 | 354011521533 |
7 | 50320465446 |
oct | 12524271541 |
9 | 3622381413 |
10 | 1431401313 |
11 | 674a96aa1 |
12 | 33b4592a9 |
13 | 19a724534 |
14 | d81679cd |
15 | 859e8d93 |
hex | 55517361 |
1431401313 has 8 divisors (see below), whose sum is σ = 1908710176. Its totient is φ = 954180000.
The previous prime is 1431401311. The next prime is 1431401327. The reversal of 1431401313 is 3131041341.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1431401313 - 21 = 1431401311 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1431401313.
It is not an unprimeable number, because it can be changed into a prime (1431401311) 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, 49938 + ... + 73188.
It is an arithmetic number, because the mean of its divisors is an integer number (238588772).
Almost surely, 21431401313 is an apocalyptic number.
It is an amenable number.
1431401313 is a deficient number, since it is larger than the sum of its proper divisors (477308863).
1431401313 is a wasteful number, since it uses less digits than its factorization.
1431401313 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43775.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 1431401313 is about 37833.8646320991. The cubic root of 1431401313 is about 1126.9910585801.
Adding to 1431401313 its reverse (3131041341), we get a palindrome (4562442654).
It can be divided in two parts, 143140 and 1313, that added together give a triangular number (144453 = T537).
The spelling of 1431401313 in words is "one billion, four hundred thirty-one million, four hundred one thousand, three hundred thirteen".
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