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20043215050 = 2521723580253
BaseRepresentation
bin10010101010101010…
…110011000011001010
31220201211211211011011
4102222222303003022
5312022030340200
613112511354134
71306455342205
oct225252630312
956654754134
1020043215050
118555966141
123a7452294a
131b75628981
14d81d3493c
157c49555ba
hex4aaab30ca

20043215050 has 24 divisors (see below), whose sum is σ = 39473345196. Its totient is φ = 7545680640.

The previous prime is 20043215047. The next prime is 20043215089. The reversal of 20043215050 is 5051234002.

It can be written as a sum of positive squares in 6 ways, for example, as 6436692441 + 13606522609 = 80229^2 + 116647^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11789277 + ... + 11790976.

Almost surely, 220043215050 is an apocalyptic number.

20043215050 is a deficient number, since it is larger than the sum of its proper divisors (19430130146).

20043215050 is a wasteful number, since it uses less digits than its factorization.

20043215050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23580282 (or 23580277 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20043215050 its reverse (5051234002), we get a palindrome (25094449052).

The spelling of 20043215050 in words is "twenty billion, forty-three million, two hundred fifteen thousand, fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 425 850 23580253 47160506 117901265 235802530 400864301 589506325 801728602 1179012650 2004321505 4008643010 10021607525 20043215050