Base | Representation |
---|---|
bin | 101011011011010… |
… | …1101010100111101 |
3 | 10202112221111221012 |
4 | 1112312231110331 |
5 | 10441014311023 |
6 | 400332245005 |
7 | 51052562030 |
oct | 12666552475 |
9 | 3675844835 |
10 | 1457182013 |
11 | 6885a5461 |
12 | 348010765 |
13 | 1a2b7cba1 |
14 | db759017 |
15 | 87ddc978 |
hex | 56dad53d |
1457182013 has 16 divisors (see below), whose sum is σ = 1764996480. Its totient is φ = 1174419456.
The previous prime is 1457182009. The next prime is 1457182039. The reversal of 1457182013 is 3102817541.
It is not a de Polignac number, because 1457182013 - 22 = 1457182009 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1457182073) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133133 + ... + 143661.
It is an arithmetic number, because the mean of its divisors is an integer number (110312280).
Almost surely, 21457182013 is an apocalyptic number.
It is an amenable number.
1457182013 is a deficient number, since it is larger than the sum of its proper divisors (307814467).
1457182013 is a wasteful number, since it uses less digits than its factorization.
1457182013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11716.
The product of its (nonzero) digits is 6720, while the sum is 32.
The square root of 1457182013 is about 38173.0534932693. The cubic root of 1457182013 is about 1133.7168478203.
Adding to 1457182013 its reverse (3102817541), we get a palindrome (4559999554).
The spelling of 1457182013 in words is "one billion, four hundred fifty-seven million, one hundred eighty-two thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •