Base | Representation |
---|---|
bin | 11000101011001110… |
… | …10110111011001110 |
3 | 1021012020120210210112 |
4 | 30111213112323032 |
5 | 204112332302232 |
6 | 10030312440022 |
7 | 646200145226 |
oct | 142547267316 |
9 | 37166523715 |
10 | 13247540942 |
11 | 5688989649 |
12 | 26986a9012 |
13 | 133176302c |
14 | 8d95a5086 |
15 | 52804c4b2 |
hex | 3159d6ece |
13247540942 has 8 divisors (see below), whose sum is σ = 20027778816. Its totient is φ = 6571614672.
The previous prime is 13247540879. The next prime is 13247540951. The reversal of 13247540942 is 24904574231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13247540942.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26077583 + ... + 26078090.
It is an arithmetic number, because the mean of its divisors is an integer number (2503472352).
Almost surely, 213247540942 is an apocalyptic number.
13247540942 is a deficient number, since it is larger than the sum of its proper divisors (6780237874).
13247540942 is a wasteful number, since it uses less digits than its factorization.
13247540942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52155802.
The product of its (nonzero) digits is 241920, while the sum is 41.
The spelling of 13247540942 in words is "thirteen billion, two hundred forty-seven million, five hundred forty thousand, nine hundred forty-two".
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