Search a number
-
+
308443815066 = 2331253493551
BaseRepresentation
bin1000111110100001010…
…11110001110010011010
31002111010222110021110110
410133100223301302122
520023143104040231
6353410325225150
731166345112102
oct4372053616232
91074128407413
10308443815066
111098a0546562
124b9412621b6
13231172b449a
1410d00738202
158053b25046
hex47d0af1c9a

308443815066 has 24 divisors (see below), whose sum is σ = 637429165632. Its totient is φ = 99498003000.

The previous prime is 308443815023. The next prime is 308443815079. The reversal of 308443815066 is 660518344803.

308443815066 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26741010 + ... + 26752541.

It is an arithmetic number, because the mean of its divisors is an integer number (26559548568).

Almost surely, 2308443815066 is an apocalyptic number.

308443815066 is an abundant number, since it is smaller than the sum of its proper divisors (328985350566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308443815066 is a wasteful number, since it uses less digits than its factorization.

308443815066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53493618 (or 53493587 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 308443815066 in words is "three hundred eight billion, four hundred forty-three million, eight hundred fifteen thousand, sixty-six".

Divisors: 1 2 3 6 31 62 93 186 961 1922 2883 5766 53493551 106987102 160480653 320961306 1658300081 3316600162 4974900243 9949800486 51407302511 102814605022 154221907533 308443815066