Base | Representation |
---|---|
bin | 11100100111001100… |
… | …100100011110101011 |
3 | 2221022002120111012122 |
4 | 130213030210132223 |
5 | 1000404412041033 |
6 | 22040315101455 |
7 | 2135220621056 |
oct | 344714443653 |
9 | 87262514178 |
10 | 30722377643 |
11 | 12035a88051 |
12 | 5b54a4188b |
13 | 2b87c3aba9 |
14 | 16b6369a9d |
15 | bec26ba98 |
hex | 7273247ab |
30722377643 has 8 divisors (see below), whose sum is σ = 30866035200. Its totient is φ = 30579055848.
The previous prime is 30722377639. The next prime is 30722377663. The reversal of 30722377643 is 34677322703.
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 30722377643 - 22 = 30722377639 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30722377594 and 30722377603.
It is not an unprimeable number, because it can be changed into a prime (30722377613) 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, 100430 + ... + 267452.
It is an arithmetic number, because the mean of its divisors is an integer number (3858254400).
Almost surely, 230722377643 is an apocalyptic number.
30722377643 is a deficient number, since it is larger than the sum of its proper divisors (143657557).
30722377643 is a wasteful number, since it uses less digits than its factorization.
30722377643 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167881.
The product of its (nonzero) digits is 889056, while the sum is 44.
The spelling of 30722377643 in words is "thirty billion, seven hundred twenty-two million, three hundred seventy-seven thousand, six hundred forty-three".
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