Base | Representation |
---|---|
bin | 10111000001000… |
… | …01111110000001 |
3 | 111110022100000111 |
4 | 23200201332001 |
5 | 343411431441 |
6 | 31054151321 |
7 | 4533062026 |
oct | 1340417601 |
9 | 443270014 |
10 | 193077121 |
11 | 99a94776 |
12 | 547b2541 |
13 | 31002223 |
14 | 1b8dd54d |
15 | 11e3d081 |
hex | b821f81 |
193077121 has 4 divisors (see below), whose sum is σ = 193134592. Its totient is φ = 193019652.
The previous prime is 193077047. The next prime is 193077151. The reversal of 193077121 is 121770391.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 193077121 - 211 = 193075073 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (193077151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23361 + ... + 30526.
It is an arithmetic number, because the mean of its divisors is an integer number (48283648).
Almost surely, 2193077121 is an apocalyptic number.
It is an amenable number.
193077121 is a deficient number, since it is larger than the sum of its proper divisors (57471).
193077121 is an equidigital number, since it uses as much as digits as its factorization.
193077121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57470.
The product of its (nonzero) digits is 2646, while the sum is 31.
The square root of 193077121 is about 13895.2193577503. The cubic root of 193077121 is about 577.9766207024.
The spelling of 193077121 in words is "one hundred ninety-three million, seventy-seven thousand, one hundred twenty-one".
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