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19472093424 = 2432719317553
BaseRepresentation
bin10010001000101000…
…001001000011110000
31212021001011211120100
4102020220021003300
5304334323442144
612540110312400
71256352030450
oct221050110360
955231154510
1019472093424
118292541aa3
1239351b8700
131ab4201694
14d2a147d60
1578e73e269
hex488a090f0

19472093424 has 60 divisors (see below), whose sum is σ = 62279794096. Its totient is φ = 5563454976.

The previous prime is 19472093371. The next prime is 19472093441. The reversal of 19472093424 is 42439027491.

19472093424 is a `hidden beast` number, since 19 + 4 + 7 + 209 + 3 + 424 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 19472093424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9657769 + ... + 9659784.

Almost surely, 219472093424 is an apocalyptic number.

19472093424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19472093424 is an abundant number, since it is smaller than the sum of its proper divisors (42807700672).

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

19472093424 is a wasteful number, since it uses less digits than its factorization.

19472093424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19317574 (or 19317565 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 19472093424 in words is "nineteen billion, four hundred seventy-two million, ninety-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 19317553 38635106 57952659 77270212 115905318 135222871 154540424 173857977 231810636 270445742 309080848 347715954 405668613 463621272 540891484 695431908 811337226 927242544 1081782968 1217005839 1390863816 1622674452 2163565936 2434011678 2781727632 3245348904 4868023356 6490697808 9736046712 19472093424