Base | Representation |
---|---|
bin | 1110011111111… |
… | …11110000111000 |
3 | 22110212122021100 |
4 | 13033333300320 |
5 | 222114240343 |
6 | 20023011400 |
7 | 3004604430 |
oct | 717776070 |
9 | 273778240 |
10 | 121633848 |
11 | 62728346 |
12 | 34899b60 |
13 | 1c2797bb |
14 | 122232c0 |
15 | aa299d3 |
hex | 73ffc38 |
121633848 has 48 divisors (see below), whose sum is σ = 376487280. Its totient is φ = 34752384.
The previous prime is 121633843. The next prime is 121633871. The reversal of 121633848 is 848336121.
121633848 is a `hidden beast` number, since 12 + 1 + 633 + 8 + 4 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121633843) 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, 120165 + ... + 121172.
It is an arithmetic number, because the mean of its divisors is an integer number (7843485).
Almost surely, 2121633848 is an apocalyptic number.
121633848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
121633848 is an abundant number, since it is smaller than the sum of its proper divisors (254853432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121633848 is a wasteful number, since it uses less digits than its factorization.
121633848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241356 (or 241349 counting only the distinct ones).
The product of its digits is 27648, while the sum is 36.
The square root of 121633848 is about 11028.7736398931. The cubic root of 121633848 is about 495.4708956333.
Adding to 121633848 its reverse (848336121), we get a palindrome (969969969).
The spelling of 121633848 in words is "one hundred twenty-one million, six hundred thirty-three thousand, eight hundred forty-eight".
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