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4405021105 = 53131191381
BaseRepresentation
bin1000001101000111…
…10100100110110001
3102100222211020221211
410012203310212301
533010141133410
62005034520121
7214106030062
oct40643644661
912328736854
104405021105
111960579611
12a2b296041
13552800584
142db064569
151abacb68a
hex1068f49b1

4405021105 has 16 divisors (see below), whose sum is σ = 5474147328. Its totient is φ = 3399336000.

The previous prime is 4405021097. The next prime is 4405021129. The reversal of 4405021105 is 5011205044.

It is not a de Polignac number, because 4405021105 - 23 = 4405021097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515 + ... + 93895.

It is an arithmetic number, because the mean of its divisors is an integer number (342134208).

Almost surely, 24405021105 is an apocalyptic number.

It is an amenable number.

4405021105 is a deficient number, since it is larger than the sum of its proper divisors (1069126223).

4405021105 is a wasteful number, since it uses less digits than its factorization.

4405021105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91728.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 4405021105 is about 66370.3330186010. Note that the first 3 decimals coincide. The cubic root of 4405021105 is about 1639.2656221479.

Adding to 4405021105 its reverse (5011205044), we get a palindrome (9416226149).

The spelling of 4405021105 in words is "four billion, four hundred five million, twenty-one thousand, one hundred five".

Divisors: 1 5 31 155 311 1555 9641 48205 91381 456905 2832811 14164055 28419491 142097455 881004221 4405021105