Base | Representation |
---|---|
bin | 11000011001110011… |
… | …00010100110010010 |
3 | 1020211001102121221200 |
4 | 30030321202212102 |
5 | 203312413444102 |
6 | 10004010332030 |
7 | 642443214033 |
oct | 141471424622 |
9 | 36731377850 |
10 | 13101312402 |
11 | 5613392a12 |
12 | 265772a016 |
13 | 130a384979 |
14 | 8c3dbca8a |
15 | 51a2b551c |
hex | 30ce62992 |
13101312402 has 48 divisors (see below), whose sum is σ = 29955013920. Its totient is φ = 4126896000.
The previous prime is 13101312401. The next prime is 13101312403. The reversal of 13101312402 is 20421310131.
13101312402 is a `hidden beast` number, since 1 + 310 + 1 + 312 + 40 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (13101312401) and next prime (13101312403).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (13101312401) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89377 + ... + 184907.
It is an arithmetic number, because the mean of its divisors is an integer number (624062790).
Almost surely, 213101312402 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13101312402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14977506960).
13101312402 is an abundant number, since it is smaller than the sum of its proper divisors (16853701518).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13101312402 is a wasteful number, since it uses less digits than its factorization.
13101312402 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95959 (or 95956 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 13101312402 its reverse (20421310131), we get a palindrome (33522622533).
The spelling of 13101312402 in words is "thirteen billion, one hundred one million, three hundred twelve thousand, four hundred two".
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