Base | Representation |
---|---|
bin | 111000101000110101… |
… | …0000111111110001101 |
3 | 102121221112120112011202 |
4 | 1301101222013332031 |
5 | 3443044021101420 |
6 | 131513045155245 |
7 | 11534040064052 |
oct | 1612152077615 |
9 | 377845515152 |
10 | 121629081485 |
11 | 4764549a15a |
12 | 1b6a53bbb25 |
13 | b614863002 |
14 | 5c5b84b029 |
15 | 326ceeb575 |
hex | 1c51a87f8d |
121629081485 has 16 divisors (see below), whose sum is σ = 146754115200. Its totient is φ = 96770847936.
The previous prime is 121629081479. The next prime is 121629081491. The reversal of 121629081485 is 584180926121.
It is an interprime number because it is at equal distance from previous prime (121629081479) and next prime (121629081491).
It is a cyclic number.
It is not a de Polignac number, because 121629081485 - 212 = 121629077389 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595896 + ... + 2642334.
It is an arithmetic number, because the mean of its divisors is an integer number (9172132200).
Almost surely, 2121629081485 is an apocalyptic number.
It is an amenable number.
121629081485 is a deficient number, since it is larger than the sum of its proper divisors (25125033715).
121629081485 is a wasteful number, since it uses less digits than its factorization.
121629081485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49300.
The product of its (nonzero) digits is 276480, while the sum is 47.
The spelling of 121629081485 in words is "one hundred twenty-one billion, six hundred twenty-nine million, eighty-one thousand, four hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •