Search a number
-
+
500420161231331 = 11157449645351197
BaseRepresentation
bin111000111001000010010010…
…1111100101101100111100011
32102121211200220110001200110212
41301302010211330231213203
51011042340442233400311
64532145503131044335
7210256110045460655
oct16162044574554743
92377750813050425
10500420161231331
111354a3aa90a7720
12481609435a06ab
131862c559c0b9c3
148b806720b46d5
153ccc1242aec8b
hex1c72125f2d9e3

500420161231331 has 16 divisors (see below), whose sum is σ = 550613642133600. Its totient is φ = 451023043860480.

The previous prime is 500420161231273. The next prime is 500420161231337. The reversal of 500420161231331 is 133132161024005.

It is a cyclic number.

It is not a de Polignac number, because 500420161231331 - 214 = 500420161214947 is a prime.

It is a super-2 number, since 2×5004201612313312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500420161231337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321900176 + ... + 323451021.

It is an arithmetic number, because the mean of its divisors is an integer number (34413352633350).

Almost surely, 2500420161231331 is an apocalyptic number.

500420161231331 is a deficient number, since it is larger than the sum of its proper divisors (50193480902269).

500420161231331 is a wasteful number, since it uses less digits than its factorization.

500420161231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645351814.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 500420161231331 in words is "five hundred trillion, four hundred twenty billion, one hundred sixty-one million, two hundred thirty-one thousand, three hundred thirty-one".

Divisors: 1 11 157 449 1727 4939 70493 775423 645351197 7098863167 101320137929 289762687453 1114521517219 3187389561983 45492741930121 500420161231331