Base | Representation |
---|---|
bin | 11011110111101100010… |
… | …100010110110011111101 |
3 | 20210002112100010002222101 |
4 | 123313230110112303331 |
5 | 222334340123043023 |
6 | 4023501534545101 |
7 | 255241031434210 |
oct | 33675424266375 |
9 | 6702470102871 |
10 | 1915225206013 |
11 | 679273776379 |
12 | 26b225068191 |
13 | 10b7b3141b92 |
14 | 689a9917777 |
15 | 34c457401ad |
hex | 1bdec516cfd |
1915225206013 has 8 divisors (see below), whose sum is σ = 2283995276928. Its totient is φ = 1570246752624.
The previous prime is 1915225206001. The next prime is 1915225206017. The reversal of 1915225206013 is 3106025225191.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1915225206013 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1915225206017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947904206 + ... + 5947904527.
It is an arithmetic number, because the mean of its divisors is an integer number (285499409616).
Almost surely, 21915225206013 is an apocalyptic number.
It is an amenable number.
1915225206013 is a deficient number, since it is larger than the sum of its proper divisors (368770070915).
1915225206013 is a wasteful number, since it uses less digits than its factorization.
1915225206013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11895808763.
The product of its (nonzero) digits is 32400, while the sum is 37.
The spelling of 1915225206013 in words is "one trillion, nine hundred fifteen billion, two hundred twenty-five million, two hundred six thousand, thirteen".
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