Base | Representation |
---|---|
bin | 1011110101110111100000… |
… | …1101010111110010111101 |
3 | 1201002201001112220111220121 |
4 | 2331131320031113302331 |
5 | 3201310042014123222 |
6 | 43405200104414541 |
7 | 2512445201311141 |
oct | 275357015276275 |
9 | 51081045814817 |
10 | 13020062645437 |
11 | 416a860a27201 |
12 | 1563460777451 |
13 | 735a2c328153 |
14 | 330262777221 |
15 | 178a35b795c7 |
hex | bd778357cbd |
13020062645437 has 16 divisors (see below), whose sum is σ = 13710050625600. Its totient is φ = 12330547781760.
The previous prime is 13020062645423. The next prime is 13020062645501. The reversal of 13020062645437 is 73454626002031.
It is not a de Polignac number, because 13020062645437 - 219 = 13020062121149 is a prime.
It is a super-2 number, since 2×130200626454372 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13020062645393 and 13020062645402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13020062645237) 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, 1213533889 + ... + 1213544617.
It is an arithmetic number, because the mean of its divisors is an integer number (856878164100).
Almost surely, 213020062645437 is an apocalyptic number.
It is an amenable number.
13020062645437 is a deficient number, since it is larger than the sum of its proper divisors (689987980163).
13020062645437 is a wasteful number, since it uses less digits than its factorization.
13020062645437 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26796.
The product of its (nonzero) digits is 725760, while the sum is 43.
Adding to 13020062645437 its reverse (73454626002031), we get a palindrome (86474688647468).
The spelling of 13020062645437 in words is "thirteen trillion, twenty billion, sixty-two million, six hundred forty-five thousand, four hundred thirty-seven".
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