Base | Representation |
---|---|
bin | 10011000110001011111… |
… | …001110000110000010011 |
3 | 11122110022021221000202101 |
4 | 103012023321300300103 |
5 | 133000103410401321 |
6 | 2442511244501231 |
7 | 163545214436665 |
oct | 23061371606023 |
9 | 4573267830671 |
10 | 1312312200211 |
11 | 466604030471 |
12 | 19240284a817 |
13 | 9699ab3bbcc |
14 | 47732834535 |
15 | 24209cb4791 |
hex | 1318be70c13 |
1312312200211 has 48 divisors (see below), whose sum is σ = 1457465512800. Its totient is φ = 1180802847168.
The previous prime is 1312312200197. The next prime is 1312312200217. The reversal of 1312312200211 is 1120022132131.
It is not a de Polignac number, because 1312312200211 - 25 = 1312312200179 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is not an unprimeable number, because it can be changed into a prime (1312312200217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 786285685 + ... + 786287353.
It is an arithmetic number, because the mean of its divisors is an integer number (30363864850).
Almost surely, 21312312200211 is an apocalyptic number.
1312312200211 is a deficient number, since it is larger than the sum of its proper divisors (145153312589).
1312312200211 is an frugal number, since it uses more digits than its factorization.
1312312200211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1861 (or 1768 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 1312312200211 its reverse (1120022132131), we get a palindrome (2432334332342).
The spelling of 1312312200211 in words is "one trillion, three hundred twelve billion, three hundred twelve million, two hundred thousand, two hundred eleven".
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