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1210210112 = 26113167341
BaseRepresentation
bin100100000100010…
…0101011101000000
310010100020001011202
41020020211131000
54434303210422
6320031000332
741663421236
oct11010453500
93110201152
101210210112
1157114a851
122993690a8
1316395a877
14b6a2a956
15713a5b92
hex48225740

1210210112 has 28 divisors (see below), whose sum is σ = 2422777476. Its totient is φ = 599746560.

The previous prime is 1210210091. The next prime is 1210210151. The reversal of 1210210112 is 2110120121.

Adding to 1210210112 its reverse (2110120121), we get a palindrome (3320330233).

It can be written as a sum of positive squares in 2 ways, for example, as 124902976 + 1085307136 = 11176^2 + 32944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1210210093 and 1210210102.

It is a congruent number.

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, 76439 + ... + 90902.

It is an arithmetic number, because the mean of its divisors is an integer number (86527767).

Almost surely, 21210210112 is an apocalyptic number.

It is an amenable number.

1210210112 is an abundant number, since it is smaller than the sum of its proper divisors (1212567364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210210112 is a wasteful number, since it uses less digits than its factorization.

1210210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167466 (or 167456 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1210210112 is about 34788.0742784075. The cubic root of 1210210112 is about 1065.6639124853.

The spelling of 1210210112 in words is "one billion, two hundred ten million, two hundred ten thousand, one hundred twelve".