Base | Representation |
---|---|
bin | 111000011010001010… |
… | …0001001011000100101 |
3 | 102120200020020001122102 |
4 | 1300310110021120211 |
5 | 3441042003441322 |
6 | 131352141341445 |
7 | 11515611435152 |
oct | 1606424113045 |
9 | 376606201572 |
10 | 121136780837 |
11 | 47412611416 |
12 | 1b588567885 |
13 | b566875557 |
14 | 5c122db229 |
15 | 323eba4792 |
hex | 1c34509625 |
121136780837 has 8 divisors (see below), whose sum is σ = 121258445952. Its totient is φ = 121015166400.
The previous prime is 121136780833. The next prime is 121136780839. The reversal of 121136780837 is 738087631121.
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 121136780837 - 22 = 121136780833 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 121136780791 and 121136780800.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121136780833) 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, 6238658 + ... + 6258044.
It is an arithmetic number, because the mean of its divisors is an integer number (15157305744).
Almost surely, 2121136780837 is an apocalyptic number.
It is an amenable number.
121136780837 is a deficient number, since it is larger than the sum of its proper divisors (121665115).
121136780837 is a wasteful number, since it uses less digits than its factorization.
121136780837 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25339.
The product of its (nonzero) digits is 338688, while the sum is 47.
The spelling of 121136780837 in words is "one hundred twenty-one billion, one hundred thirty-six million, seven hundred eighty thousand, eight hundred thirty-seven".
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