Base | Representation |
---|---|
bin | 1000001010110110… |
… | …1011101011101111 |
3 | 12122211112121221202 |
4 | 2002231223223233 |
5 | 13442402412422 |
6 | 1001335520115 |
7 | 105226210220 |
oct | 20255535357 |
9 | 5584477852 |
10 | 2193013487 |
11 | a25998545 |
12 | 51252903b |
13 | 28c456622 |
14 | 16b37d247 |
15 | cc7dbb92 |
hex | 82b6baef |
2193013487 has 8 divisors (see below), whose sum is σ = 2528481696. Its totient is φ = 1863090432.
The previous prime is 2193013483. The next prime is 2193013531. The reversal of 2193013487 is 7843103912.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2193013487 - 22 = 2193013483 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2193013487.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2193013483) 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 7 ways as a sum of consecutive naturals, for example, 1385438 + ... + 1387019.
It is an arithmetic number, because the mean of its divisors is an integer number (316060212).
Almost surely, 22193013487 is an apocalyptic number.
2193013487 is a deficient number, since it is larger than the sum of its proper divisors (335468209).
2193013487 is a wasteful number, since it uses less digits than its factorization.
2193013487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2772577.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 2193013487 is about 46829.6218968294. The cubic root of 2193013487 is about 1299.2132294588.
The spelling of 2193013487 in words is "two billion, one hundred ninety-three million, thirteen thousand, four hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •