Base | Representation |
---|---|
bin | 1110011011101… |
… | …11001101101101 |
3 | 22102211020001021 |
4 | 13031313031231 |
5 | 221443341131 |
6 | 20003014141 |
7 | 3000055000 |
oct | 715671555 |
9 | 272736037 |
10 | 121074541 |
11 | 62386105 |
12 | 3466a351 |
13 | 1c112053 |
14 | 12119537 |
15 | a968e11 |
hex | 737736d |
121074541 has 16 divisors (see below), whose sum is σ = 144496000. Its totient is φ = 101352384.
The previous prime is 121074539. The next prime is 121074557. The reversal of 121074541 is 145470121.
It is not a de Polignac number, because 121074541 - 21 = 121074539 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121074521) 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, 10645 + ... + 18853.
It is an arithmetic number, because the mean of its divisors is an integer number (9031000).
Almost surely, 2121074541 is an apocalyptic number.
It is an amenable number.
121074541 is a deficient number, since it is larger than the sum of its proper divisors (23421459).
121074541 is an frugal number, since it uses more digits than its factorization.
121074541 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8273 (or 8259 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 121074541 is about 11003.3877056114. The cubic root of 121074541 is about 494.7102899506.
The spelling of 121074541 in words is "one hundred twenty-one million, seventy-four thousand, five hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •