Base | Representation |
---|---|
bin | 101000000110001… |
… | …0110110110111111 |
3 | 10110202122020122220 |
4 | 1100030112312333 |
5 | 10223411313024 |
6 | 341300540423 |
7 | 45224565330 |
oct | 12014266677 |
9 | 3422566586 |
10 | 1345416639 |
11 | 6304a8486 |
12 | 3166b1713 |
13 | 18597a128 |
14 | ca984287 |
15 | 7d1b1e79 |
hex | 50316dbf |
1345416639 has 8 divisors (see below), whose sum is σ = 2050158720. Its totient is φ = 768809496.
The previous prime is 1345416593. The next prime is 1345416719. The reversal of 1345416639 is 9366145431.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1345416639 - 28 = 1345416383 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1345416639.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1345416439) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32033709 + ... + 32033750.
It is an arithmetic number, because the mean of its divisors is an integer number (256269840).
Almost surely, 21345416639 is an apocalyptic number.
1345416639 is a deficient number, since it is larger than the sum of its proper divisors (704742081).
1345416639 is an equidigital number, since it uses as much as digits as its factorization.
1345416639 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 64067469.
The product of its digits is 233280, while the sum is 42.
The square root of 1345416639 is about 36679.9214693816. The cubic root of 1345416639 is about 1103.9572724550.
The spelling of 1345416639 in words is "one billion, three hundred forty-five million, four hundred sixteen thousand, six hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •