Base | Representation |
---|---|
bin | 1100001101011101111001… |
… | …1010010010000000010101 |
3 | 1202112110120110210002120221 |
4 | 3003113132122102000111 |
5 | 3224430413040401240 |
6 | 44315331432554341 |
7 | 2553650340033325 |
oct | 303273632220025 |
9 | 52473513702527 |
10 | 13425504231445 |
11 | 43067a7155719 |
12 | 1609b522529b1 |
13 | 765034137067 |
14 | 345b25509285 |
15 | 184365154a4a |
hex | c35de692015 |
13425504231445 has 16 divisors (see below), whose sum is σ = 16169357782512. Its totient is φ = 10701265835520.
The previous prime is 13425504231427. The next prime is 13425504231467. The reversal of 13425504231445 is 54413240552431.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1748091199716 + 11677413031729 = 1322154^2 + 3417223^2 .
It is not a de Polignac number, because 13425504231445 - 25 = 13425504231413 is a prime.
It is a super-3 number, since 3×134255042314453 (a number of 40 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1544619 + ... + 5407111.
It is an arithmetic number, because the mean of its divisors is an integer number (1010584861407).
Almost surely, 213425504231445 is an apocalyptic number.
It is an amenable number.
13425504231445 is a deficient number, since it is larger than the sum of its proper divisors (2743853551067).
13425504231445 is a wasteful number, since it uses less digits than its factorization.
13425504231445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3865032.
The product of its (nonzero) digits is 1152000, while the sum is 43.
Adding to 13425504231445 its reverse (54413240552431), we get a palindrome (67838744783876).
The spelling of 13425504231445 in words is "thirteen trillion, four hundred twenty-five billion, five hundred four million, two hundred thirty-one thousand, four hundred forty-five".
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