Search a number
-
+
210112112021113 = 13761318011389173
BaseRepresentation
bin101111110001100010001001…
…110011001100111001111001
31000112221112002100102002002001
4233301202021303030321321
5210014434101134133423
62022512101032141001
762154046002304411
oct5761421163147171
91015845070362061
10210112112021113
1160a48056696175
121b695175237761
139031644350923
1439c56a2631641
151945771718cad
hexbf1889ccce79

210112112021113 has 16 divisors (see below), whose sum is σ = 212108899445136. Its totient is φ = 208122415027200.

The previous prime is 210112112021099. The next prime is 210112112021171. The reversal of 210112112021113 is 311120211211012.

It can be written as a sum of positive squares in 8 ways, for example, as 7378568187904 + 202733543833209 = 2716352^2 + 14238453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210112112021113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210112112021813) 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, 150555195 + ... + 151944367.

It is an arithmetic number, because the mean of its divisors is an integer number (13256806215321).

Almost surely, 2210112112021113 is an apocalyptic number.

It is an amenable number.

210112112021113 is a deficient number, since it is larger than the sum of its proper divisors (1996787424023).

210112112021113 is a wasteful number, since it uses less digits than its factorization.

210112112021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391724.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 210112112021113 its reverse (311120211211012), we get a palindrome (521232323232125).

The spelling of 210112112021113 in words is "two hundred ten trillion, one hundred twelve billion, one hundred twelve million, twenty-one thousand, one hundred thirteen".

Divisors: 1 137 613 1801 83981 246737 1104013 1389173 151249781 190316701 851563049 2501900573 116664137713 342760378501 1533665051249 210112112021113