Base | Representation |
---|---|
bin | 1000011100111100110… |
… | …1110101110001100101 |
3 | 111212210222001021120212 |
4 | 2013033031311301211 |
5 | 4334342332320423 |
6 | 150413031305205 |
7 | 13330310211641 |
oct | 2071715656145 |
9 | 455728037525 |
10 | 145210432613 |
11 | 5664655a2a4 |
12 | 2418681b205 |
13 | 109021bb60c |
14 | 7057629c21 |
15 | 3b9d393578 |
hex | 21cf375c65 |
145210432613 has 4 divisors (see below), whose sum is σ = 150217688940. Its totient is φ = 140203176288.
The previous prime is 145210432579. The next prime is 145210432621. The reversal of 145210432613 is 316234012541.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316234012541 = 285289 ⋅1108469.
It can be written as a sum of positive squares in 2 ways, for example, as 94912054084 + 50298378529 = 308078^2 + 224273^2 .
It is a cyclic number.
It is not a de Polignac number, because 145210432613 - 210 = 145210431589 is a prime.
It is a super-2 number, since 2×1452104326132 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 145210432613.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145210432643) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503628120 + ... + 2503628177.
It is an arithmetic number, because the mean of its divisors is an integer number (37554422235).
Almost surely, 2145210432613 is an apocalyptic number.
It is an amenable number.
145210432613 is a deficient number, since it is larger than the sum of its proper divisors (5007256327).
145210432613 is an equidigital number, since it uses as much as digits as its factorization.
145210432613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5007256326.
The product of its (nonzero) digits is 17280, while the sum is 32.
The spelling of 145210432613 in words is "one hundred forty-five billion, two hundred ten million, four hundred thirty-two thousand, six hundred thirteen".
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