Base | Representation |
---|---|
bin | 11000011101111001… |
… | …10101101100010010 |
3 | 1020220110012022001010 |
4 | 30032330311230102 |
5 | 203400221401344 |
6 | 10011240151350 |
7 | 643341606135 |
oct | 141674655422 |
9 | 36813168033 |
10 | 13135731474 |
11 | 5630861528 |
12 | 2667168556 |
13 | 1314546198 |
14 | 8c87bc21c |
15 | 51d3138b9 |
hex | 30ef35b12 |
13135731474 has 8 divisors (see below), whose sum is σ = 26271462960. Its totient is φ = 4378577156.
The previous prime is 13135731473. The next prime is 13135731487. The reversal of 13135731474 is 47413753131.
It is a sphenic number, since it is the product of 3 distinct primes.
13135731474 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (13135731473) 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, 1094644284 + ... + 1094644295.
It is an arithmetic number, because the mean of its divisors is an integer number (3283932870).
Almost surely, 213135731474 is an apocalyptic number.
13135731474 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.
13135731474 is a wasteful number, since it uses less digits than its factorization.
13135731474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2189288584.
The product of its digits is 105840, while the sum is 39.
The spelling of 13135731474 in words is "thirteen billion, one hundred thirty-five million, seven hundred thirty-one thousand, four hundred seventy-four".
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