Base | Representation |
---|---|
bin | 101001111000100… |
… | …0100001010000101 |
3 | 10121221110020121021 |
4 | 1103301010022011 |
5 | 10334233333023 |
6 | 351241551141 |
7 | 46553312404 |
oct | 12361041205 |
9 | 3557406537 |
10 | 1405371013 |
11 | 661328052 |
12 | 3327a54b1 |
13 | 19520c3a7 |
14 | d490d63b |
15 | 835a635d |
hex | 53c44285 |
1405371013 has 8 divisors (see below), whose sum is σ = 1420157376. Its totient is φ = 1390646400.
The previous prime is 1405371007. The next prime is 1405371049. The reversal of 1405371013 is 3101735041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1405371013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1405371073) 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, 31048 + ... + 61438.
It is an arithmetic number, because the mean of its divisors is an integer number (177519672).
Almost surely, 21405371013 is an apocalyptic number.
It is an amenable number.
1405371013 is a deficient number, since it is larger than the sum of its proper divisors (14786363).
1405371013 is a wasteful number, since it uses less digits than its factorization.
1405371013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30875.
The product of its (nonzero) digits is 1260, while the sum is 25.
The square root of 1405371013 is about 37488.2783413696. The cubic root of 1405371013 is about 1120.1177100455.
The spelling of 1405371013 in words is "one billion, four hundred five million, three hundred seventy-one thousand, thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •