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210120120113 = 6123293147881
BaseRepresentation
bin1100001110110000100…
…0101001011100110001
3202002100122002001102212
43003230020221130301
511420311222320423
6240310003221505
721115654360241
oct3035410513461
9662318061385
10210120120113
118112536a232
1234880977895
1316a77b76127
14a254191b21
1556ebb5d578
hex30ec229731

210120120113 has 8 divisors (see below), whose sum is σ = 213575325096. Its totient is φ = 206665257600.

The previous prime is 210120120079. The next prime is 210120120143. The reversal of 210120120113 is 311021021012.

It can be written as a sum of positive squares in 4 ways, for example, as 128890609 + 209991229504 = 11353^2 + 458248^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210120120113 - 28 = 210120119857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210120120143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346933 + ... + 1494813.

It is an arithmetic number, because the mean of its divisors is an integer number (26696915637).

Almost surely, 2210120120113 is an apocalyptic number.

It is an amenable number.

210120120113 is a deficient number, since it is larger than the sum of its proper divisors (3455204983).

210120120113 is a wasteful number, since it uses less digits than its factorization.

210120120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171235.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210120120113 its reverse (311021021012), we get a palindrome (521141141125).

The spelling of 210120120113 in words is "two hundred ten billion, one hundred twenty million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 61 23293 147881 1420873 9020741 3444592133 210120120113