Base | Representation |
---|---|
bin | 111000100111100110… |
… | …0001010111110110101 |
3 | 102121211122122212020111 |
4 | 1301033030022332311 |
5 | 3443002421100221 |
6 | 131505005503021 |
7 | 11533025120446 |
oct | 1611714127665 |
9 | 377748585214 |
10 | 121587675061 |
11 | 47624088976 |
12 | 1b693571a71 |
13 | b6090c6278 |
14 | 5c5614d2cd |
15 | 326956cbe1 |
hex | 1c4f30afb5 |
121587675061 has 8 divisors (see below), whose sum is σ = 128004338880. Its totient is φ = 115172742528.
The previous prime is 121587675049. The next prime is 121587675103. The reversal of 121587675061 is 160576785121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121587675061 - 27 = 121587674933 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121587674996 and 121587675014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121587672061) 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, 287401 + ... + 570766.
It is an arithmetic number, because the mean of its divisors is an integer number (16000542360).
Almost surely, 2121587675061 is an apocalyptic number.
It is an amenable number.
121587675061 is a deficient number, since it is larger than the sum of its proper divisors (6416663819).
121587675061 is an equidigital number, since it uses as much as digits as its factorization.
121587675061 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 865643.
The product of its (nonzero) digits is 705600, while the sum is 49.
The spelling of 121587675061 in words is "one hundred twenty-one billion, five hundred eighty-seven million, six hundred seventy-five thousand, sixty-one".
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