Base | Representation |
---|---|
bin | 11001110010100111… |
… | …011100010011101001 |
3 | 2122110221210020211211 |
4 | 121302213130103221 |
5 | 423203320332321 |
6 | 20415531353121 |
7 | 2000152312456 |
oct | 316247342351 |
9 | 78427706754 |
10 | 27692745961 |
11 | 10820918a11 |
12 | 544a2b27a1 |
13 | 27c438021a |
14 | 14a9c4c82d |
15 | ac12c30e1 |
hex | 6729dc4e9 |
27692745961 has 8 divisors (see below), whose sum is σ = 28175718240. Its totient is φ = 27213592032.
The previous prime is 27692745953. The next prime is 27692746001. The reversal of 27692745961 is 16954729672.
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 27692745961 - 23 = 27692745953 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 27692745896 and 27692745905.
It is not an unprimeable number, because it can be changed into a prime (27692745161) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939955 + ... + 968968.
It is an arithmetic number, because the mean of its divisors is an integer number (3521964780).
Almost surely, 227692745961 is an apocalyptic number.
It is an amenable number.
27692745961 is a deficient number, since it is larger than the sum of its proper divisors (482972279).
27692745961 is a wasteful number, since it uses less digits than its factorization.
27692745961 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1909175.
The product of its digits is 11430720, while the sum is 58.
The spelling of 27692745961 in words is "twenty-seven billion, six hundred ninety-two million, seven hundred forty-five thousand, nine hundred sixty-one".
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