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20606849050 = 252850148481
BaseRepresentation
bin10011001100010000…
…111001000000011010
31222012010102101122111
4103030100321000122
5314200323132200
613244444142534
71326441220054
oct231420710032
958163371574
1020606849050
118815035767
123bb1237a4a
131c35330b08
14dd6b328d4
1580918d0ba
hex4cc43901a

20606849050 has 24 divisors (see below), whose sum is σ = 38334038652. Its totient is φ = 8241600000.

The previous prime is 20606849041. The next prime is 20606849083. The reversal of 20606849050 is 5094860602.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9550957441 + 11055891609 = 97729^2 + 105147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20606848994 and 20606849012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400810 + ... + 449290.

Almost surely, 220606849050 is an apocalyptic number.

20606849050 is a deficient number, since it is larger than the sum of its proper divisors (17727189602).

20606849050 is a wasteful number, since it uses less digits than its factorization.

20606849050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56994 (or 56989 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 20606849050 in words is "twenty billion, six hundred six million, eight hundred forty-nine thousand, fifty".

Divisors: 1 2 5 10 25 50 8501 17002 42505 48481 85010 96962 212525 242405 425050 484810 1212025 2424050 412136981 824273962 2060684905 4121369810 10303424525 20606849050