Search a number
-
+
212210032312213 = 13175478871979077
BaseRepresentation
bin110000010000000011111111…
…100101111111111110010101
31000211101002012000120010000021
4300100003333211333332111
5210303322121232442323
62031155535404545141
762461445266454635
oct6020037745777625
91024332160503007
10212210032312213
1161686850a32a71
121b9738865521b1
13915442158c640
143a5903dc586c5
15198010b07605d
hexc100ff97ff95

212210032312213 has 32 divisors (see below), whose sum is σ = 242692846873344. Its totient is φ = 183818858775552.

The previous prime is 212210032312177. The next prime is 212210032312217. The reversal of 212210032312213 is 312213230012212.

It is not a de Polignac number, because 212210032312213 - 233 = 212201442377621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210032312217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106237231 + ... + 108216307.

It is an arithmetic number, because the mean of its divisors is an integer number (7584151464792).

Almost surely, 2212210032312213 is an apocalyptic number.

It is an amenable number.

212210032312213 is a deficient number, since it is larger than the sum of its proper divisors (30482814561131).

212210032312213 is a wasteful number, since it uses less digits than its factorization.

212210032312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980541.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212210032312213 its reverse (312213230012212), we get a palindrome (524423262324425).

The spelling of 212210032312213 in words is "two hundred twelve trillion, two hundred ten billion, thirty-two million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 13 17 221 547 887 7111 9299 11531 15079 120887 196027 485189 1979077 6307457 8248213 25728001 33644309 107226769 437376017 1082555119 1755441299 14073216547 18403437023 22820736887 29842502083 239244681299 387952527079 960226390553 12482943077189 16323848639401 212210032312213