Base | Representation |
---|---|
bin | 1110011111111… |
… | …11100100100001 |
3 | 22110212121012001 |
4 | 13033333210201 |
5 | 222114224212 |
6 | 20023004001 |
7 | 3004602220 |
oct | 717774441 |
9 | 273777161 |
10 | 121633057 |
11 | 62727797 |
12 | 34899601 |
13 | 1c279330 |
14 | 12222cb7 |
15 | aa29657 |
hex | 73ff921 |
121633057 has 16 divisors (see below), whose sum is σ = 154534912. Its totient is φ = 93130560.
The previous prime is 121633051. The next prime is 121633063. The reversal of 121633057 is 750336121.
It is an interprime number because it is at equal distance from previous prime (121633051) and next prime (121633063).
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-121633057 is a prime.
It is not an unprimeable number, because it can be changed into a prime (121633051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18738 + ... + 24379.
It is an arithmetic number, because the mean of its divisors is an integer number (9658432).
Almost surely, 2121633057 is an apocalyptic number.
It is an amenable number.
121633057 is a deficient number, since it is larger than the sum of its proper divisors (32901855).
121633057 is a wasteful number, since it uses less digits than its factorization.
121633057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43168.
The product of its (nonzero) digits is 3780, while the sum is 28.
The square root of 121633057 is about 11028.7377790933. The cubic root of 121633057 is about 495.4698215948.
Adding to 121633057 its reverse (750336121), we get a palindrome (871969178).
The spelling of 121633057 in words is "one hundred twenty-one million, six hundred thirty-three thousand, fifty-seven".
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