Base | Representation |
---|---|
bin | 1110011100111… |
… | …00101111000011 |
3 | 22110010000212100 |
4 | 13032130233003 |
5 | 222013300402 |
6 | 20010201443 |
7 | 3001265031 |
oct | 716345703 |
9 | 273100770 |
10 | 121228227 |
11 | 6248061a |
12 | 34723283 |
13 | 1c166ca3 |
14 | 12159551 |
15 | a99971c |
hex | 739cbc3 |
121228227 has 12 divisors (see below), whose sum is σ = 184323880. Its totient is φ = 76565088.
The previous prime is 121228201. The next prime is 121228229. The reversal of 121228227 is 722822121.
It is not a de Polignac number, because 121228227 - 27 = 121228099 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 121228227.
It is not an unprimeable number, because it can be changed into a prime (121228229) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354298 + ... + 354639.
Almost surely, 2121228227 is an apocalyptic number.
121228227 is a deficient number, since it is larger than the sum of its proper divisors (63095653).
121228227 is a wasteful number, since it uses less digits than its factorization.
121228227 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708962 (or 708959 counting only the distinct ones).
The product of its digits is 1792, while the sum is 27.
The square root of 121228227 is about 11010.3690673837. The cubic root of 121228227 is about 494.9195216577.
The spelling of 121228227 in words is "one hundred twenty-one million, two hundred twenty-eight thousand, two hundred twenty-seven".
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