Base | Representation |
---|---|
bin | 10100101110010000110110… |
… | …001010101011001011111001 |
3 | 102221200220120022012110202012 |
4 | 110232100312022223023321 |
5 | 43421214423341222423 |
6 | 521501105110215305 |
7 | 25124441002342265 |
oct | 2456206612531371 |
9 | 387626508173665 |
10 | 91140114789113 |
11 | 2704933a864a25 |
12 | a27b694054535 |
13 | 3bb16258693c0 |
14 | 18712c2ab90a5 |
15 | a80b6be3b078 |
hex | 52e4362ab2f9 |
91140114789113 has 16 divisors (see below), whose sum is σ = 103943368092816. Its totient is φ = 79166157312000.
The previous prime is 91140114789091. The next prime is 91140114789121. The reversal of 91140114789113 is 31198741104119.
It can be written as a sum of positive squares in 8 ways, for example, as 23773630969 + 91116341158144 = 154187^2 + 9545488^2 .
It is a cyclic number.
It is not a de Polignac number, because 91140114789113 - 220 = 91140113740537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (91140114789133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36268256 + ... + 38699697.
It is an arithmetic number, because the mean of its divisors is an integer number (6496460505801).
Almost surely, 291140114789113 is an apocalyptic number.
It is an amenable number.
91140114789113 is a deficient number, since it is larger than the sum of its proper divisors (12803253303703).
91140114789113 is a wasteful number, since it uses less digits than its factorization.
91140114789113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74973484.
The product of its (nonzero) digits is 217728, while the sum is 50.
The spelling of 91140114789113 in words is "ninety-one trillion, one hundred forty billion, one hundred fourteen million, seven hundred eighty-nine thousand, one hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.089 sec. • engine limits •