Base | Representation |
---|---|
bin | 11001001101000010… |
… | …11100001001111001 |
3 | 1021221000100021211220 |
4 | 30212201130021321 |
5 | 210202441432134 |
6 | 10114404342253 |
7 | 656213215002 |
oct | 144641341171 |
9 | 37830307756 |
10 | 13531202169 |
11 | 5814013511 |
12 | 27576a4989 |
13 | 1378460004 |
14 | 9251241a9 |
15 | 542dd0149 |
hex | 32685c279 |
13531202169 has 8 divisors (see below), whose sum is σ = 18044491392. Its totient is φ = 9019357200.
The previous prime is 13531202143. The next prime is 13531202171. The reversal of 13531202169 is 96120213531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13531202169 - 215 = 13531169401 is a prime.
It is a super-2 number, since 2×135312021692 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13531202129) 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, 339009 + ... + 376814.
It is an arithmetic number, because the mean of its divisors is an integer number (2255561424).
Almost surely, 213531202169 is an apocalyptic number.
It is an amenable number.
13531202169 is a deficient number, since it is larger than the sum of its proper divisors (4513289223).
13531202169 is an equidigital number, since it uses as much as digits as its factorization.
13531202169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 722127.
The product of its (nonzero) digits is 9720, while the sum is 33.
The spelling of 13531202169 in words is "thirteen billion, five hundred thirty-one million, two hundred two thousand, one hundred sixty-nine".
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