Base | Representation |
---|---|
bin | 1110011101111… |
… | …01010101101010 |
3 | 22110100211001101 |
4 | 13032331111222 |
5 | 222032034040 |
6 | 20013112014 |
7 | 3002362255 |
oct | 716752552 |
9 | 273324041 |
10 | 121361770 |
11 | 62561992 |
12 | 3478860a |
13 | 1c1b29ca |
14 | 1219209c |
15 | a9c409a |
hex | 73bd56a |
121361770 has 32 divisors (see below), whose sum is σ = 224223552. Its totient is φ = 47279232.
The previous prime is 121361693. The next prime is 121361783. The reversal of 121361770 is 77163121.
It is a super-3 number, since 3×1213617703 (a number of 25 digits) contains 333 as substring.
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, 59589 + ... + 61591.
It is an arithmetic number, because the mean of its divisors is an integer number (7006986).
Almost surely, 2121361770 is an apocalyptic number.
121361770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121361770 is a deficient number, since it is larger than the sum of its proper divisors (102861782).
121361770 is a wasteful number, since it uses less digits than its factorization.
121361770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2166.
The product of its (nonzero) digits is 1764, while the sum is 28.
The square root of 121361770 is about 11016.4318179708. The cubic root of 121361770 is about 495.1011866741.
The spelling of 121361770 in words is "one hundred twenty-one million, three hundred sixty-one thousand, seven hundred seventy".
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