Search a number
-
+
105452044443 = 3231981738501
BaseRepresentation
bin110001000110101101…
…1101000000010011011
3101002012010121220012200
41202031123220002123
53211431210410233
6120235523141243
710422125405544
oct1421533500233
9332163556180
10105452044443
11407a3a25859
121852b814823
139c37202745
1451651934cb
152b22bd5313
hex188d6e809b

105452044443 has 24 divisors (see below), whose sum is σ = 157253256576. Its totient is φ = 68024880000.

The previous prime is 105452044409. The next prime is 105452044469. The reversal of 105452044443 is 344440254501.

105452044443 is a `hidden beast` number, since 1 + 0 + 5 + 4 + 5 + 204 + 4 + 443 = 666.

It is not a de Polignac number, because 105452044443 - 224 = 105435267227 is a prime.

It is a super-2 number, since 2×1054520444432 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105452044398 and 105452044407.

It is not an unprimeable number, because it can be changed into a prime (105452044483) 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 23 ways as a sum of consecutive naturals, for example, 2719693 + ... + 2758193.

It is an arithmetic number, because the mean of its divisors is an integer number (6552219024).

Almost surely, 2105452044443 is an apocalyptic number.

105452044443 is a deficient number, since it is larger than the sum of its proper divisors (51801212133).

105452044443 is a wasteful number, since it uses less digits than its factorization.

105452044443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48355 (or 48352 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 105452044443 its reverse (344440254501), we get a palindrome (449892298944).

The spelling of 105452044443 in words is "one hundred five billion, four hundred fifty-two million, forty-four thousand, four hundred forty-three".

Divisors: 1 3 9 31 93 279 9817 29451 38501 88353 115503 304327 346509 912981 1193531 2738943 3580593 10741779 377964317 1133892951 3401678853 11716893827 35150681481 105452044443