Search a number
-
+
444332121223 = 1931754383907
BaseRepresentation
bin1100111011101000100…
…00100001110010000111
31120110220021021110121111
412131310100201302013
524234443010334343
6540042351225451
744046651466564
oct6356420416207
91513807243544
10444332121223
11161492998211
1272145b18287
1332b92078733
1417711c5986b
15b8588abc9d
hex6774421c87

444332121223 has 8 divisors (see below), whose sum is σ = 482805701120. Its totient is φ = 407367309240.

The previous prime is 444332121199. The next prime is 444332121241. The reversal of 444332121223 is 322121233444.

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 444332121223 - 233 = 435742186631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444332121283) 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, 377191365 + ... + 377192542.

It is an arithmetic number, because the mean of its divisors is an integer number (60350712640).

Almost surely, 2444332121223 is an apocalyptic number.

444332121223 is a deficient number, since it is larger than the sum of its proper divisors (38473579897).

444332121223 is a wasteful number, since it uses less digits than its factorization.

444332121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754383957.

The product of its digits is 27648, while the sum is 31.

Adding to 444332121223 its reverse (322121233444), we get a palindrome (766453354667).

The spelling of 444332121223 in words is "four hundred forty-four billion, three hundred thirty-two million, one hundred twenty-one thousand, two hundred twenty-three".

Divisors: 1 19 31 589 754383907 14333294233 23385901117 444332121223