Search a number
-
+
220806872754 = 23132830857343
BaseRepresentation
bin1100110110100100011…
…1010111111010110010
3210002221102002100002020
43031221013113322302
512104203024412004
6245234241332310
721644541310416
oct3155107277262
9702842070066
10220806872754
11857097a5706
1236963937096
1317a8bc14cc0
14a989600d46
155b24e738d9
hex33691d7eb2

220806872754 has 16 divisors (see below), whose sum is σ = 475584033792. Its totient is φ = 67940576208.

The previous prime is 220806872747. The next prime is 220806872851. The reversal of 220806872754 is 457278608022.

It is a super-2 number, since 2×2208068727542 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220806872697 and 220806872706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415428594 + ... + 1415428749.

It is an arithmetic number, because the mean of its divisors is an integer number (29724002112).

Almost surely, 2220806872754 is an apocalyptic number.

220806872754 is an abundant number, since it is smaller than the sum of its proper divisors (254777161038).

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

220806872754 is a wasteful number, since it uses less digits than its factorization.

220806872754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830857361.

The product of its (nonzero) digits is 3010560, while the sum is 51.

It can be divided in two parts, 2208068 and 72754, that added together give a palindrome (2280822).

The spelling of 220806872754 in words is "two hundred twenty billion, eight hundred six million, eight hundred seventy-two thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 2830857343 5661714686 8492572029 16985144058 36801145459 73602290918 110403436377 220806872754