Base | Representation |
---|---|
bin | 11100101010011101… |
… | …100111010000100001 |
3 | 2221102220200120221221 |
4 | 130222131213100201 |
5 | 1001012424131441 |
6 | 22045553415041 |
7 | 2136454455235 |
oct | 345235472041 |
9 | 87386616857 |
10 | 30777177121 |
11 | 12063a06779 |
12 | 5b6b26a481 |
13 | 2b963b6a12 |
14 | 16bd7525c5 |
15 | c01e938d1 |
hex | 72a767421 |
30777177121 has 8 divisors (see below), whose sum is σ = 30934687104. Its totient is φ = 30619960320.
The previous prime is 30777177097. The next prime is 30777177133. The reversal of 30777177121 is 12177177703.
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 30777177121 - 29 = 30777176609 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30777177181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138756 + ... + 284266.
It is an arithmetic number, because the mean of its divisors is an integer number (3866835888).
Almost surely, 230777177121 is an apocalyptic number.
It is an amenable number.
30777177121 is a deficient number, since it is larger than the sum of its proper divisors (157509983).
30777177121 is a wasteful number, since it uses less digits than its factorization.
30777177121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 146591.
The product of its (nonzero) digits is 100842, while the sum is 43.
The spelling of 30777177121 in words is "thirty billion, seven hundred seventy-seven million, one hundred seventy-seven thousand, one hundred twenty-one".
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