Search a number
-
+
212110112122210 = 25431142334584317
BaseRepresentation
bin110000001110100110111011…
…111000101110010101100010
31000211000112021102002112111101
4300032212323320232111202
5210300203002200402320
62031042012412305014
762451310212041431
oct6016467370562542
91024015242075441
10212110112122210
1161648436659345
121b95843b47216a
139147b89474963
143a54281651118
15197c70dd53c0a
hexc0e9bbe2e562

212110112122210 has 32 divisors (see below), whose sum is σ = 382952983237632. Its totient is φ = 84587703445440.

The previous prime is 212110112122169. The next prime is 212110112122211. The reversal of 212110112122210 is 12221211011212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212110112122211) 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, 11159029 + ... + 23425288.

It is an arithmetic number, because the mean of its divisors is an integer number (11967280726176).

Almost surely, 2212110112122210 is an apocalyptic number.

212110112122210 is a deficient number, since it is larger than the sum of its proper divisors (170842871115422).

212110112122210 is a wasteful number, since it uses less digits than its factorization.

212110112122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34586178.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212110112122210 its reverse (12221211011212), we get a palindrome (224331323133422).

The spelling of 212110112122210 in words is "two hundred twelve trillion, one hundred ten billion, one hundred twelve million, one hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 431 862 1423 2155 2846 4310 7115 14230 613313 1226626 3066565 6133130 34584317 69168634 172921585 345843170 14905840627 29811681254 49213483091 74529203135 98426966182 149058406270 246067415455 492134830910 21211011212221 42422022424442 106055056061105 212110112122210