Search a number
-
+
212111202110 = 2523753892987
BaseRepresentation
bin1100010110001011010…
…0000001011100111110
3202021111101122111110112
43011202310001130332
511433400431431420
6241235331110022
721216212320103
oct3054264013476
9667441574415
10212111202110
1181a57275645
1235137742312
131700451a262
14a3a27a8aaa
1557b685d8c5
hex3162d0173e

212111202110 has 16 divisors (see below), whose sum is σ = 381816665136. Its totient is φ = 84840813888.

The previous prime is 212111202103. The next prime is 212111202119. The reversal of 212111202110 is 11202111212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212111202119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208964 + ... + 684023.

It is an arithmetic number, because the mean of its divisors is an integer number (23863541571).

Almost surely, 2212111202110 is an apocalyptic number.

212111202110 is a deficient number, since it is larger than the sum of its proper divisors (169705463026).

212111202110 is a wasteful number, since it uses less digits than its factorization.

212111202110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916747.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212111202110 its reverse (11202111212), we get a palindrome (223313313322).

The spelling of 212111202110 in words is "two hundred twelve billion, one hundred eleven million, two hundred two thousand, one hundred ten".

Divisors: 1 2 5 10 23753 47506 118765 237530 892987 1785974 4464935 8929870 21211120211 42422240422 106055601055 212111202110