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20113044434 = 2719647116867
BaseRepresentation
bin10010101110110101…
…001011001111010010
31220220201020112001122
4102232311023033102
5312142414410214
613123444202242
71311264025340
oct225665131722
956821215048
1020113044434
11859131aa7a
123a93999382
131b86c37932
14d8b310990
157cab4a88e
hex4aed4b3d2

20113044434 has 32 divisors (see below), whose sum is σ = 36350622720. Its totient is φ = 8153507088.

The previous prime is 20113044409. The next prime is 20113044451. The reversal of 20113044434 is 43444031102.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113669 + ... + 230535.

It is an arithmetic number, because the mean of its divisors is an integer number (1135956960).

Almost surely, 220113044434 is an apocalyptic number.

20113044434 is a deficient number, since it is larger than the sum of its proper divisors (16237578286).

20113044434 is a wasteful number, since it uses less digits than its factorization.

20113044434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117542.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20113044434 its reverse (43444031102), we get a palindrome (63557075536).

The spelling of 20113044434 in words is "twenty billion, one hundred thirteen million, forty-four thousand, four hundred thirty-four".

Divisors: 1 2 7 14 19 38 133 266 647 1294 4529 9058 12293 24586 86051 116867 172102 233734 818069 1636138 2220473 4440946 15543311 31086622 75612949 151225898 529290643 1058581286 1436646031 2873292062 10056522217 20113044434