Base | Representation |
---|---|
bin | 111000001110000100… |
… | …1001010010111010101 |
3 | 102112121222010212021212 |
4 | 1300130021022113111 |
5 | 3434224144414320 |
6 | 131244013351205 |
7 | 11502555451010 |
oct | 1603411122725 |
9 | 375558125255 |
10 | 120731248085 |
11 | 47224707688 |
12 | 1b494798505 |
13 | b500847846 |
14 | 5bb44d6377 |
15 | 321929b9c5 |
hex | 1c1c24a5d5 |
120731248085 has 64 divisors (see below), whose sum is σ = 179175751680. Its totient is φ = 76234970880.
The previous prime is 120731247983. The next prime is 120731248087. The reversal of 120731248085 is 580842137021.
It is not a de Polignac number, because 120731248085 - 218 = 120730985941 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120731248087) 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 63 ways as a sum of consecutive naturals, for example, 35601740 + ... + 35605130.
It is an arithmetic number, because the mean of its divisors is an integer number (2799621120).
Almost surely, 2120731248085 is an apocalyptic number.
It is an amenable number.
120731248085 is a deficient number, since it is larger than the sum of its proper divisors (58444503595).
120731248085 is a wasteful number, since it uses less digits than its factorization.
120731248085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4906.
The product of its (nonzero) digits is 107520, while the sum is 41.
The spelling of 120731248085 in words is "one hundred twenty billion, seven hundred thirty-one million, two hundred forty-eight thousand, eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •