Base | Representation |
---|---|
bin | 1111100111100… |
… | …11101100101110 |
3 | 100010112120212101 |
4 | 13303303230232 |
5 | 232020142424 |
6 | 21000125314 |
7 | 3150444133 |
oct | 763635456 |
9 | 303476771 |
10 | 131021614 |
11 | 67a5a529 |
12 | 37a6683a |
13 | 211b57a9 |
14 | 1358858a |
15 | b781344 |
hex | 7cf3b2e |
131021614 has 4 divisors (see below), whose sum is σ = 196532424. Its totient is φ = 65510806.
The previous prime is 131021573. The next prime is 131021621. The reversal of 131021614 is 416120131.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 131021591 and 131021600.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32755402 + ... + 32755405.
It is an arithmetic number, because the mean of its divisors is an integer number (49133106).
Almost surely, 2131021614 is an apocalyptic number.
131021614 is a deficient number, since it is larger than the sum of its proper divisors (65510810).
131021614 is an equidigital number, since it uses as much as digits as its factorization.
131021614 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65510809.
The product of its (nonzero) digits is 144, while the sum is 19.
The square root of 131021614 is about 11446.4673152899. The cubic root of 131021614 is about 507.9032381269.
Adding to 131021614 its reverse (416120131), we get a palindrome (547141745).
The spelling of 131021614 in words is "one hundred thirty-one million, twenty-one thousand, six hundred fourteen".
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