Search a number
-
+
30290573816 = 233786321727
BaseRepresentation
bin11100001101011101…
…010111100111111000
32220012000001120201022
4130031131113213320
5444013341330231
621525412042012
72121425425556
oct341535274770
986160046638
1030290573816
111193426a488
125a54303308
132b19642579
141674c86bd6
15bc43c4c7b
hex70d7579f8

30290573816 has 8 divisors (see below), whose sum is σ = 56794825920. Its totient is φ = 15145286904.

The previous prime is 30290573743. The next prime is 30290573869. The reversal of 30290573816 is 61837509203.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1893160856 + ... + 1893160871.

It is an arithmetic number, because the mean of its divisors is an integer number (7099353240).

Almost surely, 230290573816 is an apocalyptic number.

It is an amenable number.

30290573816 is a deficient number, since it is larger than the sum of its proper divisors (26504252104).

30290573816 is a wasteful number, since it uses less digits than its factorization.

30290573816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786321733 (or 3786321729 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 30290573816 in words is "thirty billion, two hundred ninety million, five hundred seventy-three thousand, eight hundred sixteen".

Divisors: 1 2 4 8 3786321727 7572643454 15145286908 30290573816