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20843283190 = 252207944417
BaseRepresentation
bin10011011010010110…
…110100001011110110
31222210121022111022111
4103122112310023312
5320141340030230
613324131521234
71335341661322
oct233226641366
958717274274
1020843283190
118926543184
12405845921a
131c72303882
14101a2ba982
1581ece292a
hex4da5b42f6

20843283190 has 16 divisors (see below), whose sum is σ = 37534948992. Its totient is φ = 8333526784.

The previous prime is 20843283179. The next prime is 20843283203. The reversal of 20843283190 is 9138234802.

It is a super-2 number, since 2×208432831902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450139 + ... + 494278.

It is an arithmetic number, because the mean of its divisors is an integer number (2345934312).

Almost surely, 220843283190 is an apocalyptic number.

20843283190 is a deficient number, since it is larger than the sum of its proper divisors (16691665802).

20843283190 is a wasteful number, since it uses less digits than its factorization.

20843283190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946631.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 20843283190 in words is "twenty billion, eight hundred forty-three million, two hundred eighty-three thousand, one hundred ninety".

Divisors: 1 2 5 10 2207 4414 11035 22070 944417 1888834 4722085 9444170 2084328319 4168656638 10421641595 20843283190