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4020173105 = 513232689079
BaseRepresentation
bin1110111110011110…
…1111100100110001
3101101011122221202012
43233213233210301
531213131014410
61502530132305
7201423623204
oct35747574461
911334587665
104020173105
111783312613
12942421095
134c0b65870
142a1cc593b
15187e0c605
hexef9ef931

4020173105 has 16 divisors (see below), whose sum is σ = 5421185280. Its totient is φ = 2839666368.

The previous prime is 4020173063. The next prime is 4020173167. The reversal of 4020173105 is 5013710204.

It is a cyclic number.

It is not a de Polignac number, because 4020173105 - 230 = 2946431281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1343045 + ... + 1346034.

It is an arithmetic number, because the mean of its divisors is an integer number (338824080).

Almost surely, 24020173105 is an apocalyptic number.

It is an amenable number.

4020173105 is a deficient number, since it is larger than the sum of its proper divisors (1401012175).

4020173105 is a wasteful number, since it uses less digits than its factorization.

4020173105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689120.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 4020173105 is about 63404.8350285686. The cubic root of 4020173105 is about 1590.0651457295.

Adding to 4020173105 its reverse (5013710204), we get a palindrome (9033883309).

The spelling of 4020173105 in words is "four billion, twenty million, one hundred seventy-three thousand, one hundred five".

Divisors: 1 5 13 23 65 115 299 1495 2689079 13445395 34958027 61848817 174790135 309244085 804034621 4020173105