Search a number
-
+
12823620818 = 259910704191
BaseRepresentation
bin10111111000101100…
…01110110011010010
31020002200220102201012
423330112032303102
5202230321331233
65520250410522
7632531656421
oct137426166322
936080812635
1012823620818
115490666138
12259a730a42
131294997c18
148991752b8
15500c11548
hex2fc58ecd2

12823620818 has 8 divisors (see below), whose sum is σ = 19267545600. Its totient is φ = 6401105620.

The previous prime is 12823620757. The next prime is 12823620827. The reversal of 12823620818 is 81802632821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5350898 + ... + 5353293.

It is an arithmetic number, because the mean of its divisors is an integer number (2408443200).

Almost surely, 212823620818 is an apocalyptic number.

12823620818 is a deficient number, since it is larger than the sum of its proper divisors (6443924782).

12823620818 is a wasteful number, since it uses less digits than its factorization.

12823620818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704792.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 12823620818 in words is "twelve billion, eight hundred twenty-three million, six hundred twenty thousand, eight hundred eighteen".

Divisors: 1 2 599 1198 10704191 21408382 6411810409 12823620818