Base | Representation |
---|---|
bin | 111101001010100111… |
… | …0000100101010111101 |
3 | 110120001011221000221210 |
4 | 1322111032010222331 |
5 | 4123002220410323 |
6 | 140201552115033 |
7 | 12330015640365 |
oct | 1722516045275 |
9 | 416034830853 |
10 | 131352513213 |
11 | 50785084349 |
12 | 21559835a79 |
13 | c504167acc |
14 | 6500d799a5 |
15 | 363b978293 |
hex | 1e95384abd |
131352513213 has 8 divisors (see below), whose sum is σ = 175145716800. Its totient is φ = 87563825888.
The previous prime is 131352513209. The next prime is 131352513221. The reversal of 131352513213 is 312315253131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131352513213 - 22 = 131352513209 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131352513223) 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, 1060608 + ... + 1177961.
It is an arithmetic number, because the mean of its divisors is an integer number (21893214600).
Almost surely, 2131352513213 is an apocalyptic number.
It is an amenable number.
131352513213 is a deficient number, since it is larger than the sum of its proper divisors (43793203587).
131352513213 is a wasteful number, since it uses less digits than its factorization.
131352513213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2258131.
The product of its digits is 8100, while the sum is 30.
Adding to 131352513213 its reverse (312315253131), we get a palindrome (443667766344).
The spelling of 131352513213 in words is "one hundred thirty-one billion, three hundred fifty-two million, five hundred thirteen thousand, two hundred thirteen".
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