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210210111112 = 2370937061021
BaseRepresentation
bin1100001111000101111…
…1111011111010001000
3202002120220102001212211
43003301133323322020
511421002242023422
6240322540114504
721121126314541
oct3036137737210
9662526361784
10210210111112
1181171144861
12348a6b35a34
1316a906c3c41
14a2620d94c8
1557049d7577
hex30f17fbe88

210210111112 has 16 divisors (see below), whose sum is σ = 394699884300. Its totient is φ = 104956808640.

The previous prime is 210210111079. The next prime is 210210111149. The reversal of 210210111112 is 211111012012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 200179287396 + 10030823716 = 447414^2 + 100154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210210111092 and 210210111101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18524839 + ... + 18536182.

Almost surely, 2210210111112 is an apocalyptic number.

It is an amenable number.

210210111112 is a deficient number, since it is larger than the sum of its proper divisors (184489773188).

210210111112 is a wasteful number, since it uses less digits than its factorization.

210210111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37061736 (or 37061732 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210210111112 its reverse (211111012012), we get a palindrome (421321123124).

The spelling of 210210111112 in words is "two hundred ten billion, two hundred ten million, one hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 709 1418 2836 5672 37061021 74122042 148244084 296488168 26276263889 52552527778 105105055556 210210111112