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20051500140304 = 247817160319657
BaseRepresentation
bin1001000111100100110101…
…00010110000011100010000
32121222220102112001200220121
410203302122202300130100
510112010433013442204
6110351310524520024
74136446603005343
oct443623242603420
977886375050817
1020051500140304
1164308800a6766
1222ba1469b0014
13b25b04a94839
144d46d7cca45a
1524b8bb2a1b54
hex123c9a8b0710

20051500140304 has 20 divisors (see below), whose sum is σ = 38854751673564. Its totient is φ = 10024467450368.

The previous prime is 20051500140289. The next prime is 20051500140307. The reversal of 20051500140304 is 40304100515002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 169282873600 + 19882217266704 = 411440^2 + 4458948^2 .

It is a super-2 number, since 2×200515001403042 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20051500140307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80034757 + ... + 80284900.

Almost surely, 220051500140304 is an apocalyptic number.

It is an amenable number.

20051500140304 is a deficient number, since it is larger than the sum of its proper divisors (18803251533260).

20051500140304 is a wasteful number, since it uses less digits than its factorization.

20051500140304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160327482 (or 160327476 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20051500140304 its reverse (40304100515002), we get a palindrome (60355600655306).

The spelling of 20051500140304 in words is "twenty trillion, fifty-one billion, five hundred million, one hundred forty thousand, three hundred four".

Divisors: 1 2 4 8 16 7817 15634 31268 62536 125072 160319657 320639314 641278628 1282557256 2565114512 1253218758769 2506437517538 5012875035076 10025750070152 20051500140304