Base | Representation |
---|---|
bin | 11100100100001110… |
… | …111100111111001011 |
3 | 2221011122001010001112 |
4 | 130210032330333023 |
5 | 1000304200430132 |
6 | 22031341440535 |
7 | 2134045253552 |
oct | 344416747713 |
9 | 87148033045 |
10 | 30672670667 |
11 | 1200aa17501 |
12 | 5b4027014b |
13 | 2b7a855c92 |
14 | 16ad90ad99 |
15 | be7bedab2 |
hex | 7243bcfcb |
30672670667 has 4 divisors (see below), whose sum is σ = 31042221000. Its totient is φ = 30303120336.
The previous prime is 30672670649. The next prime is 30672670673. The reversal of 30672670667 is 76607627603.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30672670667 - 224 = 30655893451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30672673667) 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, 184775042 + ... + 184775207.
It is an arithmetic number, because the mean of its divisors is an integer number (7760555250).
Almost surely, 230672670667 is an apocalyptic number.
30672670667 is a deficient number, since it is larger than the sum of its proper divisors (369550333).
30672670667 is an equidigital number, since it uses as much as digits as its factorization.
30672670667 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369550332.
The product of its (nonzero) digits is 2667168, while the sum is 50.
The spelling of 30672670667 in words is "thirty billion, six hundred seventy-two million, six hundred seventy thousand, six hundred sixty-seven".
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