Base | Representation |
---|---|
bin | 1011111010110101110111… |
… | …1010001011001100011110 |
3 | 1201101212122021102002200220 |
4 | 2332231131322023030132 |
5 | 3204210101303021030 |
6 | 43512332040302210 |
7 | 2521562010240114 |
oct | 276553572131436 |
9 | 51355567362626 |
10 | 13105520751390 |
11 | 41a3024893051 |
12 | 1577b30471966 |
13 | 740acb195c52 |
14 | 33444c381ab4 |
15 | 17ad883dea10 |
hex | beb5de8b31e |
13105520751390 has 64 divisors (see below), whose sum is σ = 31674315340800. Its totient is φ = 3470257468800.
The previous prime is 13105520751371. The next prime is 13105520751451. The reversal of 13105520751390 is 9315702550131.
It is a happy number.
It is a super-3 number, since 3×131055207513903 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13785915 + ... + 14705865.
It is an arithmetic number, because the mean of its divisors is an integer number (494911177200).
Almost surely, 213105520751390 is an apocalyptic number.
13105520751390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13105520751390 is an abundant number, since it is smaller than the sum of its proper divisors (18568794589410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13105520751390 is a wasteful number, since it uses less digits than its factorization.
13105520751390 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 923297.
The product of its (nonzero) digits is 141750, while the sum is 42.
The spelling of 13105520751390 in words is "thirteen trillion, one hundred five billion, five hundred twenty million, seven hundred fifty-one thousand, three hundred ninety".
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