Base | Representation |
---|---|
bin | 11111000000110101011… |
… | …111110110110000011101 |
3 | 21112202000002021120120210 |
4 | 133000311133312300131 |
5 | 234404200014301023 |
6 | 4311021012403033 |
7 | 306655104224661 |
oct | 37006537666035 |
9 | 7482002246523 |
10 | 2131201322013 |
11 | 751923649a25 |
12 | 2a505b016479 |
13 | 125c822a401a |
14 | 752177108a1 |
15 | 3a68653d593 |
hex | 1f0357f6c1d |
2131201322013 has 32 divisors (see below), whose sum is σ = 2931058630656. Its totient is φ = 1376684149248.
The previous prime is 2131201321981. The next prime is 2131201322017. The reversal of 2131201322013 is 3102231021312.
It is not a de Polignac number, because 2131201322013 - 25 = 2131201321981 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131201322017) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57245581 + ... + 57282797.
It is an arithmetic number, because the mean of its divisors is an integer number (91595582208).
Almost surely, 22131201322013 is an apocalyptic number.
It is an amenable number.
2131201322013 is a deficient number, since it is larger than the sum of its proper divisors (799857308643).
2131201322013 is a wasteful number, since it uses less digits than its factorization.
2131201322013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41313.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2131201322013 its reverse (3102231021312), we get a palindrome (5233432343325).
The spelling of 2131201322013 in words is "two trillion, one hundred thirty-one billion, two hundred one million, three hundred twenty-two thousand, thirteen".
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