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163870268633474 = 21331203312988379
BaseRepresentation
bin100101010000101000000101…
…001001101011000110000010
3210111012211210202221111102012
4211100220011021223012002
5132434322302232232344
61340304543453452522
746342144006646534
oct4520500511530602
9714184722844365
10163870268633474
1148239a99611057
12164671a54a1142
137058b91483150
142c67512d49854
1513e2995d7e29e
hex950a0526b182

163870268633474 has 16 divisors (see below), whose sum is σ = 273252656382720. Its totient is φ = 73192675816080.

The previous prime is 163870268633447. The next prime is 163870268633503. The reversal of 163870268633474 is 474336862078361.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 101656493384 + ... + 101656494995.

It is an arithmetic number, because the mean of its divisors is an integer number (17078291023920).

Almost surely, 2163870268633474 is an apocalyptic number.

163870268633474 is a deficient number, since it is larger than the sum of its proper divisors (109382387749246).

163870268633474 is a wasteful number, since it uses less digits than its factorization.

163870268633474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203312988425.

The product of its (nonzero) digits is 585252864, while the sum is 68.

The spelling of 163870268633474 in words is "one hundred sixty-three trillion, eight hundred seventy billion, two hundred sixty-eight million, six hundred thirty-three thousand, four hundred seventy-four".

Divisors: 1 2 13 26 31 62 403 806 203312988379 406625976758 2643068848927 5286137697854 6302702639749 12605405279498 81935134316737 163870268633474