Search a number
-
+
10405444227 = 312772716117
BaseRepresentation
bin10011011000011011…
…00111101010000011
3222212011200100001020
421230031213222003
5132302243203402
64440304440523
7515566550043
oct115415475203
928764610036
1010405444227
11445a669292
122024919143
13c9a9b6ab9
14709d43723
1540d7998bc
hex26c367a83

10405444227 has 8 divisors (see below), whose sum is σ = 13884795216. Its totient is φ = 6931528032.

The previous prime is 10405444211. The next prime is 10405444271. The reversal of 10405444227 is 72244450401.

10405444227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10405444227 - 24 = 10405444211 is a prime.

It is a super-2 number, since 2×104054442272 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10405444207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354228 + ... + 1361889.

It is an arithmetic number, because the mean of its divisors is an integer number (1735599402).

Almost surely, 210405444227 is an apocalyptic number.

10405444227 is a deficient number, since it is larger than the sum of its proper divisors (3479350989).

10405444227 is a wasteful number, since it uses less digits than its factorization.

10405444227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717397.

The product of its (nonzero) digits is 35840, while the sum is 33.

Adding to 10405444227 its reverse (72244450401), we get a palindrome (82649894628).

The spelling of 10405444227 in words is "ten billion, four hundred five million, four hundred forty-four thousand, two hundred twenty-seven".

Divisors: 1 3 1277 3831 2716117 8148351 3468481409 10405444227