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20192747373 = 32173710334631
BaseRepresentation
bin10010110011100101…
…001101111101101101
31221010021012211221100
4102303211031331231
5312323320403443
613135412353313
71313252343411
oct226345157555
957107184840
1020192747373
118622308a77
123ab6615839
131b9a5c2a36
14d97b3ad41
157d2b413d3
hex4b394df6d

20192747373 has 48 divisors (see below), whose sum is σ = 32026565376. Its totient is φ = 12207490560.

The previous prime is 20192747369. The next prime is 20192747387. The reversal of 20192747373 is 37374729102.

20192747373 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 274 + 7 + 373 = 666.

It is not a de Polignac number, because 20192747373 - 22 = 20192747369 is a prime.

It is a super-2 number, since 2×201927473732 (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20192747303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565768 + ... + 600398.

It is an arithmetic number, because the mean of its divisors is an integer number (667220112).

Almost surely, 220192747373 is an apocalyptic number.

It is an amenable number.

20192747373 is a deficient number, since it is larger than the sum of its proper divisors (11833818003).

20192747373 is a wasteful number, since it uses less digits than its factorization.

20192747373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34794 (or 34791 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The spelling of 20192747373 in words is "twenty billion, one hundred ninety-two million, seven hundred forty-seven thousand, three hundred seventy-three".

Divisors: 1 3 9 17 37 51 103 111 153 309 333 629 927 1751 1887 3811 5253 5661 11433 15759 34299 34631 64787 103893 194361 311679 583083 588727 1281347 1766181 3566993 3844041 5298543 10700979 11532123 21782899 32102937 60638881 65348697 131978741 181916643 196046091 395936223 545749929 1187808669 2243638597 6730915791 20192747373