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10163405450 = 2521118478919
BaseRepresentation
bin10010111011100100…
…10100001010001010
3222020022020111021002
421131302110022022
5131303312433300
64400301015002
7506600343452
oct113562241212
928208214232
1010163405450
114345a82a40
121b77854462
13c5c800ca3
146c5b3ad62
153e73d95d5
hex25dc9428a

10163405450 has 24 divisors (see below), whose sum is σ = 20622474720. Its totient is φ = 3695783600.

The previous prime is 10163405437. The next prime is 10163405467. The reversal of 10163405450 is 5450436101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9238910 + ... + 9240009.

It is an arithmetic number, because the mean of its divisors is an integer number (859269780).

Almost surely, 210163405450 is an apocalyptic number.

10163405450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10163405450 is an abundant number, since it is smaller than the sum of its proper divisors (10459069270).

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

10163405450 is a wasteful number, since it uses less digits than its factorization.

10163405450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18478942 (or 18478937 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 10163405450 in words is "ten billion, one hundred sixty-three million, four hundred five thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 275 550 18478919 36957838 92394595 184789190 203268109 406536218 461972975 923945950 1016340545 2032681090 5081702725 10163405450