Base | Representation |
---|---|
bin | 10010010000110100100… |
… | …111011101111101101101 |
3 | 11102222102000202211122022 |
4 | 102100310213131331231 |
5 | 131030231340241023 |
6 | 2400313424355525 |
7 | 156446253201161 |
oct | 22206447357555 |
9 | 4388360684568 |
10 | 1255013212013 |
11 | 444280270570 |
12 | 183291475ba5 |
13 | 91468b60b72 |
14 | 44a58998ca1 |
15 | 229a47467c8 |
hex | 124349ddf6d |
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".
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