Base | Representation |
---|---|
bin | 1110011111010… |
… | …10000101011110 |
3 | 22110201010110200 |
4 | 13033222011132 |
5 | 222103420204 |
6 | 20021044330 |
7 | 3004054521 |
oct | 717520536 |
9 | 273633420 |
10 | 121545054 |
11 | 62677664 |
12 | 348566a6 |
13 | 1c248267 |
14 | 121dcbb8 |
15 | aa0d539 |
hex | 73ea15e |
121545054 has 12 divisors (see below), whose sum is σ = 263347656. Its totient is φ = 40515012.
The previous prime is 121545043. The next prime is 121545077. The reversal of 121545054 is 450545121.
121545054 is a `hidden beast` number, since 1 + 2 + 154 + 505 + 4 = 666.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3376234 + ... + 3376269.
It is an arithmetic number, because the mean of its divisors is an integer number (21945638).
Almost surely, 2121545054 is an apocalyptic number.
121545054 is an abundant number, since it is smaller than the sum of its proper divisors (141802602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121545054 is a wasteful number, since it uses less digits than its factorization.
121545054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6752511 (or 6752508 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 121545054 is about 11024.7473440438. The cubic root of 121545054 is about 495.3502999457.
The spelling of 121545054 in words is "one hundred twenty-one million, five hundred forty-five thousand, fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.333 sec. • engine limits •