Base | Representation |
---|---|
bin | 1011100011001111010100… |
… | …1010001101001000001001 |
3 | 1122222010000101002211112011 |
4 | 2320303311022031020021 |
5 | 3131034133310420410 |
6 | 43002152144015521 |
7 | 2450355512264056 |
oct | 270636512151011 |
9 | 48863011084464 |
10 | 12700036420105 |
11 | 4057067519461 |
12 | 15114286015a1 |
13 | 7117ba56ba88 |
14 | 31c983a8402d |
15 | 1705552be18a |
hex | b8cf528d209 |
12700036420105 has 8 divisors (see below), whose sum is σ = 15247175230152. Its totient is φ = 10155274785408.
The previous prime is 12700036420081. The next prime is 12700036420111. The reversal of 12700036420105 is 50102463000721.
It can be written as a sum of positive squares in 4 ways, for example, as 731536379401 + 11968500040704 = 855299^2 + 3459552^2 .
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 12700036420105 - 29 = 12700036419593 is a prime.
It is a super-2 number, since 2×127000364201052 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594282082 + ... + 594303451.
It is an arithmetic number, because the mean of its divisors is an integer number (1905896903769).
Almost surely, 212700036420105 is an apocalyptic number.
It is an amenable number.
12700036420105 is a deficient number, since it is larger than the sum of its proper divisors (2547138810047).
12700036420105 is a wasteful number, since it uses less digits than its factorization.
12700036420105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1188587675.
The product of its (nonzero) digits is 10080, while the sum is 31.
Adding to 12700036420105 its reverse (50102463000721), we get a palindrome (62802499420826).
The spelling of 12700036420105 in words is "twelve trillion, seven hundred billion, thirty-six million, four hundred twenty thousand, one hundred five".
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