Base | Representation |
---|---|
bin | 11000010011011010… |
… | …01100110110010010 |
3 | 1020200022122011120120 |
4 | 30021231030312102 |
5 | 203210210332223 |
6 | 5554414251110 |
7 | 641223003423 |
oct | 141155146622 |
9 | 36608564516 |
10 | 13047745938 |
11 | 5596126707 |
12 | 26417b6a96 |
13 | 12cc24b136 |
14 | 8bac3764a |
15 | 515733be3 |
hex | 309b4cd92 |
13047745938 has 8 divisors (see below), whose sum is σ = 26095491888. Its totient is φ = 4349248644.
The previous prime is 13047745933. The next prime is 13047745951. The reversal of 13047745938 is 83954774031.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
13047745938 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (13047745933) 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, 1087312156 + ... + 1087312167.
It is an arithmetic number, because the mean of its divisors is an integer number (3261936486).
Almost surely, 213047745938 is an apocalyptic number.
13047745938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13047745938 is a wasteful number, since it uses less digits than its factorization.
13047745938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2174624328.
The product of its (nonzero) digits is 2540160, while the sum is 51.
The spelling of 13047745938 in words is "thirteen billion, forty-seven million, seven hundred forty-five thousand, nine hundred thirty-eight".
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