Search a number
-
+
12340735805 = 55867420683
BaseRepresentation
bin10110111111001000…
…01010111100111101
31011212001021100000002
423133210022330331
5200233212021210
65400320444045
7614546344406
oct133744127475
934761240002
1012340735805
115263029512
122484a79625
131218926048
14850d969ad
154c36294a5
hex2df90af3d

12340735805 has 8 divisors (see below), whose sum is σ = 14811442272. Its totient is φ = 9870882448.

The previous prime is 12340735801. The next prime is 12340735811. The reversal of 12340735805 is 50853704321.

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

It is a cyclic number.

It is not a de Polignac number, because 12340735805 - 22 = 12340735801 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 (12340735801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181007 + ... + 239676.

It is an arithmetic number, because the mean of its divisors is an integer number (1851430284).

Almost surely, 212340735805 is an apocalyptic number.

It is an amenable number.

12340735805 is a deficient number, since it is larger than the sum of its proper divisors (2470706467).

12340735805 is an equidigital number, since it uses as much as digits as its factorization.

12340735805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426555.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 12340735805 in words is "twelve billion, three hundred forty million, seven hundred thirty-five thousand, eight hundred five".

Divisors: 1 5 5867 29335 420683 2103415 2468147161 12340735805