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19122010209974 = 272195122553163
BaseRepresentation
bin1000101100100001100001…
…01000000011111010110110
32111201001020202202221100102
410112100300220003322312
510001243334103204344
6104400310305514102
74012343144652500
oct426206050037266
974631222687312
1019122010209974
116102665287821
122189b82642932
13a89275812c19
144a1720112d70
15232619d02e4e
hex116430a03eb6

19122010209974 has 12 divisors (see below), whose sum is σ = 33365956591044. Its totient is φ = 8195147232804.

The previous prime is 19122010209959. The next prime is 19122010210067. The reversal of 19122010209974 is 47990201022191.

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 5 ways as a sum of consecutive naturals, for example, 97561276484 + ... + 97561276679.

It is an arithmetic number, because the mean of its divisors is an integer number (2780496382587).

Almost surely, 219122010209974 is an apocalyptic number.

19122010209974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19122010209974 is a deficient number, since it is larger than the sum of its proper divisors (14243946381070).

19122010209974 is a wasteful number, since it uses less digits than its factorization.

19122010209974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195122553179 (or 195122553172 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 19122010209974 in words is "nineteen trillion, one hundred twenty-two billion, ten million, two hundred nine thousand, nine hundred seventy-four".

Divisors: 1 2 7 14 49 98 195122553163 390245106326 1365857872141 2731715744282 9561005104987 19122010209974