Search a number
-
+
30069707927 = 74295672561
BaseRepresentation
bin11100000000010010…
…110101010010010111
32212121121110102200012
4130000102311102113
5443040321123202
621451442110435
72113104204650
oct340022652227
985547412605
1030069707927
1111830625696
1259b234b41b
132ab29609ac
1416537d2527
15baece8152
hex7004b5497

30069707927 has 4 divisors (see below), whose sum is σ = 34365380496. Its totient is φ = 25774035360.

The previous prime is 30069707917. The next prime is 30069707929. The reversal of 30069707927 is 72970796003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72970796003 = 710424399429.

It is a cyclic number.

It is not a de Polignac number, because 30069707927 - 220 = 30068659351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30069707929) 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, 2147836274 + ... + 2147836287.

It is an arithmetic number, because the mean of its divisors is an integer number (8591345124).

Almost surely, 230069707927 is an apocalyptic number.

30069707927 is a deficient number, since it is larger than the sum of its proper divisors (4295672569).

30069707927 is an equidigital number, since it uses as much as digits as its factorization.

30069707927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295672568.

The product of its (nonzero) digits is 1000188, while the sum is 50.

The spelling of 30069707927 in words is "thirty billion, sixty-nine million, seven hundred seven thousand, nine hundred twenty-seven".

Divisors: 1 7 4295672561 30069707927