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19224993966 = 2317792385827
BaseRepresentation
bin10001111001111001…
…100010000010101110
31211121211012212211120
4101321321202002232
5303333044301331
612455402201410
71250261516043
oct217171420256
954554185746
1019224993966
11817600a572
1238864b3266
131a74c66299
14d053c51ca
15777bce796
hex479e620ae

19224993966 has 32 divisors (see below), whose sum is σ = 41227107840. Its totient is φ = 5955021696.

The previous prime is 19224993929. The next prime is 19224993967. The reversal of 19224993966 is 66939942291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19224993967) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1184856 + ... + 1200971.

It is an arithmetic number, because the mean of its divisors is an integer number (1288347120).

Almost surely, 219224993966 is an apocalyptic number.

19224993966 is an abundant number, since it is smaller than the sum of its proper divisors (22002113874).

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

19224993966 is a wasteful number, since it uses less digits than its factorization.

19224993966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385928.

The product of its digits is 11337408, while the sum is 60.

The spelling of 19224993966 in words is "nineteen billion, two hundred twenty-four million, nine hundred ninety-three thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 17 34 51 79 102 158 237 474 1343 2686 4029 8058 2385827 4771654 7157481 14314962 40559059 81118118 121677177 188480333 243354354 376960666 565440999 1130881998 3204165661 6408331322 9612496983 19224993966