Base | Representation |
---|---|
bin | 11111000000110110000… |
… | …001101110101110011101 |
3 | 21112202000200222201122200 |
4 | 133000312001232232131 |
5 | 234404204302431023 |
6 | 4311021531002113 |
7 | 306655242551124 |
oct | 37006601565635 |
9 | 7482020881580 |
10 | 2131210202013 |
11 | 751928664672 |
12 | 2a5061b99339 |
13 | 125c84092b69 |
14 | 75218982abb |
15 | 3a6871e4743 |
hex | 1f03606eb9d |
2131210202013 has 12 divisors (see below), whose sum is σ = 3212258855520. Its totient is φ = 1359032592456.
The previous prime is 2131210201997. The next prime is 2131210202113. The reversal of 2131210202013 is 3102020121312.
It is not a de Polignac number, because 2131210202013 - 24 = 2131210201997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131210202113) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5147850523 + ... + 5147850936.
It is an arithmetic number, because the mean of its divisors is an integer number (267688237960).
Almost surely, 22131210202013 is an apocalyptic number.
2131210202013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
2131210202013 is a deficient number, since it is larger than the sum of its proper divisors (1081048653507).
2131210202013 is a wasteful number, since it uses less digits than its factorization.
2131210202013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10295701488 (or 10295701485 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 2131210202013 its reverse (3102020121312), we get a palindrome (5233230323325).
The spelling of 2131210202013 in words is "two trillion, one hundred thirty-one billion, two hundred ten million, two hundred two thousand, thirteen".
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