Base | Representation |
---|---|
bin | 11000001111010001… |
… | …10100011101100010 |
3 | 1020120220100002011010 |
4 | 30013220310131202 |
5 | 203122314334132 |
6 | 5551134401350 |
7 | 640322016666 |
oct | 140750643542 |
9 | 36526302133 |
10 | 13013043042 |
11 | 557858392a |
12 | 2632060256 |
13 | 12c4cba68c |
14 | 8b63a28a6 |
15 | 51267b6cc |
hex | 307a34762 |
13013043042 has 64 divisors (see below), whose sum is σ = 28113122304. Its totient is φ = 4007128320.
The previous prime is 13013043037. The next prime is 13013043077. The reversal of 13013043042 is 24034031031.
It is a super-2 number, since 2×130130430422 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346908 + ... + 382584.
It is an arithmetic number, because the mean of its divisors is an integer number (439267536).
Almost surely, 213013043042 is an apocalyptic number.
13013043042 is an abundant number, since it is smaller than the sum of its proper divisors (15100079262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13013043042 is a wasteful number, since it uses less digits than its factorization.
13013043042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35803.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13013043042 its reverse (24034031031), we get a palindrome (37047074073).
The spelling of 13013043042 in words is "thirteen billion, thirteen million, forty-three thousand, forty-two".
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