Base | Representation |
---|---|
bin | 1110011011001… |
… | …10111001100001 |
3 | 22102200211101011 |
4 | 13031212321201 |
5 | 221434221323 |
6 | 20001340521 |
7 | 2666356111 |
oct | 715467141 |
9 | 272624334 |
10 | 121007713 |
11 | 6233a982 |
12 | 34637741 |
13 | 1c0ba7c8 |
14 | 120dd041 |
15 | a95420d |
hex | 7366e61 |
121007713 has 16 divisors (see below), whose sum is σ = 130616640. Its totient is φ = 111758400.
The previous prime is 121007707. The next prime is 121007729. The reversal of 121007713 is 317700121.
It is a cyclic number.
It is not a de Polignac number, because 121007713 - 25 = 121007681 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121007743) 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, 151431 + ... + 152227.
It is an arithmetic number, because the mean of its divisors is an integer number (8163540).
Almost surely, 2121007713 is an apocalyptic number.
It is an amenable number.
121007713 is a deficient number, since it is larger than the sum of its proper divisors (9608927).
121007713 is a wasteful number, since it uses less digits than its factorization.
121007713 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1008.
The product of its (nonzero) digits is 294, while the sum is 22.
The square root of 121007713 is about 11000.3505853223. The cubic root of 121007713 is about 494.6192535155.
Adding to 121007713 its reverse (317700121), we get a palindrome (438707834).
The spelling of 121007713 in words is "one hundred twenty-one million, seven thousand, seven hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •