Base | Representation |
---|---|
bin | 1110011110110… |
… | …11001001011110 |
3 | 22110121000112121 |
4 | 13033123021132 |
5 | 222044440440 |
6 | 20015453154 |
7 | 3003411244 |
oct | 717331136 |
9 | 273530477 |
10 | 121483870 |
11 | 626356a2 |
12 | 348271ba |
13 | 1c226461 |
14 | 121c4794 |
15 | a9ea34a |
hex | 73db25e |
121483870 has 32 divisors (see below), whose sum is σ = 232603488. Its totient is φ = 45523968.
The previous prime is 121483847. The next prime is 121483889. The reversal of 121483870 is 78384121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is an unprimeable number.
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, 38077 + ... + 41143.
It is an arithmetic number, because the mean of its divisors is an integer number (7268859).
Almost surely, 2121483870 is an apocalyptic number.
121483870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121483870 is a deficient number, since it is larger than the sum of its proper divisors (111119618).
121483870 is a wasteful number, since it uses less digits than its factorization.
121483870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3324.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 121483870 is about 11021.9721465807. The cubic root of 121483870 is about 495.2671686331.
The spelling of 121483870 in words is "one hundred twenty-one million, four hundred eighty-three thousand, eight hundred seventy".
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