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20050056426 = 2343103821919
BaseRepresentation
bin10010101011000100…
…111001010011101010
31220202022201101202110
4102223010321103222
5312030303301201
613113314143150
71306600445001
oct225304712352
956668641673
1020050056426
118559809174
123a76881ab6
131b76b8291a
14d82bd5c38
157c53576d6
hex4ab1394ea

20050056426 has 64 divisors (see below), whose sum is σ = 41526650880. Its totient is φ = 6449647680.

The previous prime is 20050056421. The next prime is 20050056443. The reversal of 20050056426 is 62465005002.

It is a junction number, because it is equal to n+sod(n) for n = 20050056393 and 20050056402.

It is not an unprimeable number, because it can be changed into a prime (20050056421) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 21816795 + ... + 21817713.

It is an arithmetic number, because the mean of its divisors is an integer number (648853920).

Almost surely, 220050056426 is an apocalyptic number.

20050056426 is an abundant number, since it is smaller than the sum of its proper divisors (21476594454).

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

20050056426 is a wasteful number, since it uses less digits than its factorization.

20050056426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 20050056426 in words is "twenty billion, fifty million, fifty-six thousand, four hundred twenty-six".

Divisors: 1 2 3 6 43 86 103 129 206 258 309 618 821 919 1642 1838 2463 2757 4429 4926 5514 8858 13287 26574 35303 39517 70606 79034 84563 94657 105909 118551 169126 189314 211818 237102 253689 283971 507378 567942 754499 1508998 2263497 3636209 4070251 4526994 7272418 8140502 10908627 12210753 21817254 24421506 32443457 64886914 77713397 97330371 155426794 194660742 233140191 466280382 3341676071 6683352142 10025028213 20050056426