Base | Representation |
---|---|
bin | 1110011110110… |
… | …01011011011110 |
3 | 22110120122212212 |
4 | 13033121123132 |
5 | 222044224310 |
6 | 20015400422 |
7 | 3003351566 |
oct | 717313336 |
9 | 273518785 |
10 | 121476830 |
11 | 62630382 |
12 | 34823112 |
13 | 1c2231a7 |
14 | 121c1da6 |
15 | a9e8205 |
hex | 73d96de |
121476830 has 16 divisors (see below), whose sum is σ = 219376080. Its totient is φ = 48431232.
The previous prime is 121476791. The next prime is 121476833. The reversal of 121476830 is 38674121.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121476833) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16715 + ... + 22854.
It is an arithmetic number, because the mean of its divisors is an integer number (13711005).
Almost surely, 2121476830 is an apocalyptic number.
121476830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121476830 is a deficient number, since it is larger than the sum of its proper divisors (97899250).
121476830 is a wasteful number, since it uses less digits than its factorization.
121476830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39883.
The product of its (nonzero) digits is 8064, while the sum is 32.
The square root of 121476830 is about 11021.6527798693. The cubic root of 121476830 is about 495.2576015243.
The spelling of 121476830 in words is "one hundred twenty-one million, four hundred seventy-six thousand, eight hundred thirty".
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