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20104442010 = 2325751729717
BaseRepresentation
bin10010101110010100…
…010111000010011010
31220220010001110202100
4102232110113002122
5312133214121020
613122535544230
71311130636362
oct225624270232
956803043670
1020104442010
118587484934
123a90b2b076
131b85215243
14d8a1119a2
157c9eeba90
hex4ae51709a

20104442010 has 48 divisors (see below), whose sum is σ = 52280262216. Its totient is φ = 5360290944.

The previous prime is 20104441993. The next prime is 20104442021. The reversal of 20104442010 is 1024440102.

20104442010 is a `hidden beast` number, since 20 + 1 + 0 + 444 + 201 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20104120521 + 321489 = 141789^2 + 567^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 661672 + ... + 691388.

Almost surely, 220104442010 is an apocalyptic number.

20104442010 is an abundant number, since it is smaller than the sum of its proper divisors (32175820206).

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

20104442010 is a wasteful number, since it uses less digits than its factorization.

20104442010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37247 (or 37244 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20104442010 its reverse (1024440102), we get a palindrome (21128882112).

The spelling of 20104442010 in words is "twenty billion, one hundred four million, four hundred forty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 7517 15034 22551 29717 37585 45102 59434 67653 75170 89151 112755 135306 148585 178302 225510 267453 297170 338265 445755 534906 676530 891510 1337265 2674530 223382689 446765378 670148067 1116913445 1340296134 2010444201 2233826890 3350740335 4020888402 6701480670 10052221005 20104442010