Search a number
-
+
212100062111 = 7130859231547
BaseRepresentation
bin1100010110001000100…
…1100001101110011111
3202021110121200112020222
43011202021201232133
511433340103441421
6241234252231555
721216015532010
oct3054211415637
9667417615228
10212100062111
1181a50a56a33
1235133a6b5bb
1317002119842
14a3a1109007
1557b58accab
hex3162261b9f

212100062111 has 8 divisors (see below), whose sum is σ = 242402970240. Its totient is φ = 181797878808.

The previous prime is 212100062101. The next prime is 212100062137. The reversal of 212100062111 is 111260001212.

212100062111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212100062111 - 210 = 212100061087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212100062111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100062101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800240 + ... + 1031786.

It is an arithmetic number, because the mean of its divisors is an integer number (30300371280).

Almost surely, 2212100062111 is an apocalyptic number.

212100062111 is a deficient number, since it is larger than the sum of its proper divisors (30302908129).

212100062111 is a wasteful number, since it uses less digits than its factorization.

212100062111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362413.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212100062111 its reverse (111260001212), we get a palindrome (323360063323).

The spelling of 212100062111 in words is "two hundred twelve billion, one hundred million, sixty-two thousand, one hundred eleven".

Divisors: 1 7 130859 231547 916013 1620829 30300008873 212100062111