Base | Representation |
---|---|
bin | 1011110110010100010001… |
… | …1111000001011101100001 |
3 | 1201010102222201111012102100 |
4 | 2331211010133001131201 |
5 | 3201421400401320110 |
6 | 43412514241041013 |
7 | 2513140436420532 |
oct | 275450437013541 |
9 | 51112881435370 |
10 | 13027784791905 |
11 | 4173063977134 |
12 | 1564a56926169 |
13 | 7366901258a0 |
14 | 330796194689 |
15 | 178d38a8cbc0 |
hex | bd9447c1761 |
13027784791905 has 48 divisors (see below), whose sum is σ = 25375859099136. Its totient is φ = 6134823066240.
The previous prime is 13027784791873. The next prime is 13027784791927. The reversal of 13027784791905 is 50919748772031.
13027784791905 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 7 + 78 + 479 + 1 + 90 + 5 = 666.
13027784791905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13027784791905 - 25 = 13027784791873 is a prime.
It is a super-3 number, since 3×130277847919053 (a number of 40 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 484110841 + ... + 484137750.
It is an arithmetic number, because the mean of its divisors is an integer number (528663731232).
Almost surely, 213027784791905 is an apocalyptic number.
13027784791905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13027784791905 is a deficient number, since it is larger than the sum of its proper divisors (12348074307231).
13027784791905 is a wasteful number, since it uses less digits than its factorization.
13027784791905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968248638 (or 968248635 counting only the distinct ones).
The product of its (nonzero) digits is 26671680, while the sum is 63.
The spelling of 13027784791905 in words is "thirteen trillion, twenty-seven billion, seven hundred eighty-four million, seven hundred ninety-one thousand, nine hundred five".
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