Search a number
-
+
30829876729 = 1923347203311
BaseRepresentation
bin11100101101100110…
…101001010111111001
32221120120212000020021
4130231212221113321
51001114422023404
622055115130441
72140664425351
oct345546512771
987516760207
1030829876729
1112090730773
125b84a43a21
132ba42a8b12
1416c674db61
15c06903454
hex72d9a95f9

30829876729 has 16 divisors (see below), whose sum is σ = 33961236480. Its totient is φ = 27856722960.

The previous prime is 30829876663. The next prime is 30829876739. The reversal of 30829876729 is 92767892803.

It is a cyclic number.

It is not a de Polignac number, because 30829876729 - 211 = 30829874681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30829876739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49984 + ... + 253294.

It is an arithmetic number, because the mean of its divisors is an integer number (2122577280).

Almost surely, 230829876729 is an apocalyptic number.

It is an amenable number.

30829876729 is a deficient number, since it is larger than the sum of its proper divisors (3131359751).

30829876729 is a wasteful number, since it uses less digits than its factorization.

30829876729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203700.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 30829876729 in words is "thirty billion, eight hundred twenty-nine million, eight hundred seventy-six thousand, seven hundred twenty-nine".

Divisors: 1 19 23 347 437 6593 7981 151639 203311 3862909 4676153 70548917 88846907 1340429423 1622625091 30829876729