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1255013212013 = 111735337350971
BaseRepresentation
bin10010010000110100100…
…111011101111101101101
311102222102000202211122022
4102100310213131331231
5131030231340241023
62400313424355525
7156446253201161
oct22206447357555
94388360684568
101255013212013
11444280270570
12183291475ba5
1391468b60b72
1444a58998ca1
15229a47467c8
hex124349ddf6d

1255013212013 has 32 divisors (see below), whose sum is σ = 1457673604992. Its totient is φ = 1067874508800.

The previous prime is 1255013212009. The next prime is 1255013212199. The reversal of 1255013212013 is 3102123105521.

It is not a de Polignac number, because 1255013212013 - 22 = 1255013212009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255013232013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24596618 + ... + 24647588.

It is an arithmetic number, because the mean of its divisors is an integer number (45552300156).

Almost surely, 21255013212013 is an apocalyptic number.

It is an amenable number.

1255013212013 is a deficient number, since it is larger than the sum of its proper divisors (202660392979).

1255013212013 is a wasteful number, since it uses less digits than its factorization.

1255013212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51725.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 1255013212013 its reverse (3102123105521), we get a palindrome (4357136317534).

The spelling of 1255013212013 in words is "one trillion, two hundred fifty-five billion, thirteen million, two hundred twelve thousand, thirteen".

Divisors: 1 11 17 187 353 373 3883 4103 6001 6341 50971 66011 69751 131669 560681 866507 1448359 2238373 9531577 17992763 19012183 24622103 197920393 209134013 305876971 323207111 3364646681 3555278221 6711300599 73824306589 114092110183 1255013212013