Base | Representation |
---|---|
bin | 1110011100101… |
… | …11100100011110 |
3 | 22110001221211202 |
4 | 13032113210132 |
5 | 222012111240 |
6 | 20005515502 |
7 | 3001146245 |
oct | 716274436 |
9 | 273057752 |
10 | 121207070 |
11 | 62466736 |
12 | 34712b92 |
13 | 1c15a47a |
14 | 1215195c |
15 | a993315 |
hex | 739791e |
121207070 has 32 divisors (see below), whose sum is σ = 225783936. Its totient is φ = 46816000.
The previous prime is 121207069. The next prime is 121207081. The reversal of 121207070 is 70702121.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39947 + ... + 42873.
It is an arithmetic number, because the mean of its divisors is an integer number (7055748).
Almost surely, 2121207070 is an apocalyptic number.
121207070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121207070 is a deficient number, since it is larger than the sum of its proper divisors (104576866).
121207070 is a wasteful number, since it uses less digits than its factorization.
121207070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3076.
The product of its (nonzero) digits is 196, while the sum is 20.
The square root of 121207070 is about 11009.4082493111. The cubic root of 121207070 is about 494.8907285243.
Adding to 121207070 its reverse (70702121), we get a palindrome (191909191).
The spelling of 121207070 in words is "one hundred twenty-one million, two hundred seven thousand, seventy".
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