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194996380112 = 2475891605913
BaseRepresentation
bin1011010110011010110…
…0001010000111010000
3200122022122002110101022
42311212230022013100
511143323033130422
6225325145055012
720042122611632
oct2654654120720
9618278073338
10194996380112
1175774411556
123195ba87468
13155077c3a51
14961b75aa52
155114055342
hex2d66b0a1d0

194996380112 has 20 divisors (see below), whose sum is σ = 377855505060. Its totient is φ = 97485282048.

The previous prime is 194996380081. The next prime is 194996380123. The reversal of 194996380112 is 211083699491.

It can be written as a sum of positive squares in 2 ways, for example, as 18155945536 + 176840434576 = 134744^2 + 420524^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 681533 + ... + 924380.

It is an arithmetic number, because the mean of its divisors is an integer number (18892775253).

Almost surely, 2194996380112 is an apocalyptic number.

It is an amenable number.

194996380112 is a deficient number, since it is larger than the sum of its proper divisors (182859124948).

194996380112 is a wasteful number, since it uses less digits than its factorization.

194996380112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613510 (or 1613504 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 53.

The spelling of 194996380112 in words is "one hundred ninety-four billion, nine hundred ninety-six million, three hundred eighty thousand, one hundred twelve".

Divisors: 1 2 4 8 16 7589 15178 30356 60712 121424 1605913 3211826 6423652 12847304 25694608 12187273757 24374547514 48749095028 97498190056 194996380112