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20444192603 = 1910039107183
BaseRepresentation
bin10011000010100100…
…011001111101011011
31221202210100120221122
4103002210121331123
5313332203130403
613220353555455
71322424525032
oct230244317533
957683316848
1020444192603
11874123954a
123b66875b8b
131c0a7201b3
14dbd2b1719
157e9c5d838
hex4c2919f5b

20444192603 has 8 divisors (see below), whose sum is σ = 21522547200. Its totient is φ = 19366072488.

The previous prime is 20444192569. The next prime is 20444192677. The reversal of 20444192603 is 30629144402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20444192603 - 224 = 20427415387 is a prime.

It is a super-2 number, since 2×204441926032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20444192303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137150 + ... + 244332.

It is an arithmetic number, because the mean of its divisors is an integer number (2690318400).

Almost surely, 220444192603 is an apocalyptic number.

20444192603 is a deficient number, since it is larger than the sum of its proper divisors (1078354597).

20444192603 is a wasteful number, since it uses less digits than its factorization.

20444192603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117241.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 20444192603 in words is "twenty billion, four hundred forty-four million, one hundred ninety-two thousand, six hundred three".

Divisors: 1 19 10039 107183 190741 2036477 1076010137 20444192603