Base | Representation |
---|---|
bin | 11000001101111111… |
… | …00010111010001010 |
3 | 1020120010222101011210 |
4 | 30012333202322022 |
5 | 203112032120432 |
6 | 5550110433550 |
7 | 640131034251 |
oct | 140677427212 |
9 | 36503871153 |
10 | 13002223242 |
11 | 5572463848 |
12 | 262a5028b6 |
13 | 12c299c928 |
14 | 8b4b87798 |
15 | 5117408cc |
hex | 306fe2e8a |
13002223242 has 32 divisors (see below), whose sum is σ = 27152842752. Its totient is φ = 4142921904.
The previous prime is 13002223229. The next prime is 13002223249. The reversal of 13002223242 is 24232220031.
It is not an unprimeable number, because it can be changed into a prime (13002223249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186183 + ... + 246309.
It is an arithmetic number, because the mean of its divisors is an integer number (848526336).
Almost surely, 213002223242 is an apocalyptic number.
13002223242 is an abundant number, since it is smaller than the sum of its proper divisors (14150619510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13002223242 is a wasteful number, since it uses less digits than its factorization.
13002223242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61722.
The product of its (nonzero) digits is 1152, while the sum is 21.
Adding to 13002223242 its reverse (24232220031), we get a palindrome (37234443273).
The spelling of 13002223242 in words is "thirteen billion, two million, two hundred twenty-three thousand, two hundred forty-two".
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