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163112200745 = 51323313519521
BaseRepresentation
bin1001011111101000111…
…1101010101000101001
3120121000120101022211012
42113322033222220221
510133023210410440
6202533244313305
714533033554524
oct2277217525051
9517016338735
10163112200745
11631a264869a
1227741b42835
13124c5c77120
147c74da5bbb
154399ce5e65
hex25fa3eaa29

163112200745 has 32 divisors (see below), whose sum is σ = 227051403264. Its totient is φ = 111498393600.

The previous prime is 163112200733. The next prime is 163112200747. The reversal of 163112200745 is 547002211361.

It is not a de Polignac number, because 163112200745 - 222 = 163108006441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163112200747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1713416 + ... + 1806105.

It is an arithmetic number, because the mean of its divisors is an integer number (7095356352).

Almost surely, 2163112200745 is an apocalyptic number.

It is an amenable number.

163112200745 is a deficient number, since it is larger than the sum of its proper divisors (63939202519).

163112200745 is a wasteful number, since it uses less digits than its factorization.

163112200745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519593.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 163112200745 in words is "one hundred sixty-three billion, one hundred twelve million, two hundred thousand, seven hundred forty-five".

Divisors: 1 5 13 23 31 65 115 155 299 403 713 1495 2015 3565 9269 46345 3519521 17597605 45753773 80948983 109105151 228768865 404744915 545525755 1052336779 1418366963 2509418473 5261683895 7091834815 12547092365 32622440149 163112200745