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19010967066 = 232713191314663
BaseRepresentation
bin10001101101001001…
…000101011000011010
31211001220111012010100
4101231021011120122
5302413301421231
612422235000230
71242052360650
oct215511053032
954056435110
1019010967066
118076216a33
123826899076
131a3c80a550
14cc4bd0dd0
157640041e6
hex46d24561a

19010967066 has 192 divisors, whose sum is σ = 53783009280. Its totient is φ = 4712722560.

The previous prime is 19010967037. The next prime is 19010967083. The reversal of 19010967066 is 66076901091.

It is a super-2 number, since 2×190109670662 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4074651 + ... + 4079313.

It is an arithmetic number, because the mean of its divisors is an integer number (280119840).

Almost surely, 219010967066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19010967066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26891504640).

19010967066 is an abundant number, since it is smaller than the sum of its proper divisors (34772042214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19010967066 is a wasteful number, since it uses less digits than its factorization.

19010967066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4841 (or 4838 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 19010967066 in words is "nineteen billion, ten million, nine hundred sixty-seven thousand, sixty-six".