Base | Representation |
---|---|
bin | 11000110100000000… |
… | …00101110001100010 |
3 | 1021101101001200100000 |
4 | 30122000011301202 |
5 | 204240202230104 |
6 | 10041502040430 |
7 | 651052522620 |
oct | 143200056142 |
9 | 37341050300 |
10 | 13321133154 |
11 | 571648355a |
12 | 26b9279116 |
13 | 1343a8b914 |
14 | 905280510 |
15 | 52e737639 |
hex | 31a005c62 |
13321133154 has 96 divisors (see below), whose sum is σ = 34288450560. Its totient is φ = 3797016912.
The previous prime is 13321133153. The next prime is 13321133239. The reversal of 13321133154 is 45133112331.
13321133154 is a `hidden beast` number, since 1 + 3 + 321 + 1 + 331 + 5 + 4 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (13321133153) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1502667 + ... + 1511505.
It is an arithmetic number, because the mean of its divisors is an integer number (357171360).
Almost surely, 213321133154 is an apocalyptic number.
13321133154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13321133154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17144225280).
13321133154 is an abundant number, since it is smaller than the sum of its proper divisors (20967317406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13321133154 is an equidigital number, since it uses as much as digits as its factorization.
13321133154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9306 (or 9294 counting only the distinct ones).
The product of its digits is 3240, while the sum is 27.
Adding to 13321133154 its reverse (45133112331), we get a palindrome (58454245485).
The spelling of 13321133154 in words is "thirteen billion, three hundred twenty-one million, one hundred thirty-three thousand, one hundred fifty-four".
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