Search a number
-
+
12843832445 = 5506832
BaseRepresentation
bin10111111011000110…
…10101010001111101
31020011002221021211222
423331203111101331
5202301010114240
65522251523125
7633165526433
oct137543252175
936132837758
1012843832445
1154a1010464
1225a54594a5
131298c23772
1489bb16d53
155028a4eb5
hex2fd8d547d

12843832445 has 6 divisors (see below), whose sum is σ = 15412903038. Its totient is φ = 10274863224.

The previous prime is 12843832423. The next prime is 12843832447. The reversal of 12843832445 is 54423834821.

It can be written as a sum of positive squares in only one way, i.e., 10275065956 + 2568766489 = 101366^2 + 50683^2 .

It is not a de Polignac number, because 12843832445 - 26 = 12843832381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12843832396 and 12843832405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843832447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228074 + ... + 278756.

It is an arithmetic number, because the mean of its divisors is an integer number (2568817173).

Almost surely, 212843832445 is an apocalyptic number.

It is an amenable number.

12843832445 is a deficient number, since it is larger than the sum of its proper divisors (2569070593).

12843832445 is an frugal number, since it uses more digits than its factorization.

12843832445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101371 (or 50688 counting only the distinct ones).

The product of its digits is 737280, while the sum is 44.

The spelling of 12843832445 in words is "twelve billion, eight hundred forty-three million, eight hundred thirty-two thousand, four hundred forty-five".

Divisors: 1 5 50683 253415 2568766489 12843832445