Search a number
-
+
2201230311 = 37263398557
BaseRepresentation
bin1000001100110100…
…0001101111100111
312200102000002022120
42003031001233213
514002003332221
61002232001023
7105356102040
oct20315015747
95612002276
102201230311
11a2a59aa05
12515230173
13291072657
1416c4bb8c7
15cd3b15c6
hex83341be7

2201230311 has 16 divisors (see below), whose sum is σ = 3367017984. Its totient is φ = 1253060064.

The previous prime is 2201230303. The next prime is 2201230331. The reversal of 2201230311 is 1130321022.

2201230311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2201230311 - 23 = 2201230303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201230331) 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, 193756 + ... + 204801.

It is an arithmetic number, because the mean of its divisors is an integer number (210438624).

Almost surely, 22201230311 is an apocalyptic number.

2201230311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2201230311 is a deficient number, since it is larger than the sum of its proper divisors (1165787673).

2201230311 is a wasteful number, since it uses less digits than its factorization.

2201230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398830.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2201230311 is about 46917.2709244687. The cubic root of 2201230311 is about 1300.8338459081.

Adding to 2201230311 its reverse (1130321022), we get a palindrome (3331551333).

The spelling of 2201230311 in words is "two billion, two hundred one million, two hundred thirty thousand, three hundred eleven".

Divisors: 1 3 7 21 263 789 1841 5523 398557 1195671 2789899 8369697 104820491 314461473 733743437 2201230311