Search a number
-
+
445102305040 = 2455563778813
BaseRepresentation
bin1100111101000100010…
…10100010111100010000
31120112212221111212012001
412132202022202330100
524243032142230130
6540251023043344
744105023111501
oct6364212427420
91515787455161
10445102305040
11161848713768
127231ba40554
1332c857bc1c3
1417786262ba8
15b8a12e46ca
hex67a22a2f10

445102305040 has 20 divisors (see below), whose sum is σ = 1034862859404. Its totient is φ = 178040921984.

The previous prime is 445102305031. The next prime is 445102305077. The reversal of 445102305040 is 40503201544.

It can be written as a sum of positive squares in 2 ways, for example, as 322296914944 + 122805390096 = 567712^2 + 350436^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2781889327 + ... + 2781889486.

Almost surely, 2445102305040 is an apocalyptic number.

445102305040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

445102305040 is an abundant number, since it is smaller than the sum of its proper divisors (589760554364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445102305040 is a wasteful number, since it uses less digits than its factorization.

445102305040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563778826 (or 5563778820 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 445102305040 its reverse (40503201544), we get a palindrome (485605506584).

The spelling of 445102305040 in words is "four hundred forty-five billion, one hundred two million, three hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5563778813 11127557626 22255115252 27818894065 44510230504 55637788130 89020461008 111275576260 222551152520 445102305040