Base | Representation |
---|---|
bin | 11100101010011110… |
… | …010111111110000010 |
3 | 2221102221001201122121 |
4 | 130222132113332002 |
5 | 1001013002023032 |
6 | 22050001554454 |
7 | 2136456246025 |
oct | 345236277602 |
9 | 87387051577 |
10 | 30777376642 |
11 | 12064032671 |
12 | 5b6b345a2a |
13 | 2b9645678c |
14 | 16bd7a51bc |
15 | c01ed2a97 |
hex | 72a797f82 |
30777376642 has 8 divisors (see below), whose sum is σ = 46167508800. Its totient is φ = 15388207044.
The previous prime is 30777376573. The next prime is 30777376649. The reversal of 30777376642 is 24667377703.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 30777376642.
It is not an unprimeable number, because it can be changed into a prime (30777376649) 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, 154542 + ... + 292297.
It is an arithmetic number, because the mean of its divisors is an integer number (5770938600).
Almost surely, 230777376642 is an apocalyptic number.
30777376642 is a deficient number, since it is larger than the sum of its proper divisors (15390132158).
30777376642 is a wasteful number, since it uses less digits than its factorization.
30777376642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 481280.
The product of its (nonzero) digits is 6223392, while the sum is 52.
The spelling of 30777376642 in words is "thirty billion, seven hundred seventy-seven million, three hundred seventy-six thousand, six hundred forty-two".
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