Base | Representation |
---|---|
bin | 101001100001001… |
… | …1010011110001001 |
3 | 10121002102221001120 |
4 | 1103002122132021 |
5 | 10323121013031 |
6 | 350123505453 |
7 | 46344336303 |
oct | 12302323611 |
9 | 3532387046 |
10 | 1393141641 |
11 | 655434a31 |
12 | 32a688289 |
13 | 192819b88 |
14 | d3048973 |
15 | 8248ca96 |
hex | 5309a789 |
1393141641 has 8 divisors (see below), whose sum is σ = 1875556800. Its totient is φ = 919743792.
The previous prime is 1393141627. The next prime is 1393141657. The reversal of 1393141641 is 1461413931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1393141641 - 25 = 1393141609 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1393141601) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2253966 + ... + 2254583.
It is an arithmetic number, because the mean of its divisors is an integer number (234444600).
Almost surely, 21393141641 is an apocalyptic number.
It is an amenable number.
1393141641 is a deficient number, since it is larger than the sum of its proper divisors (482415159).
1393141641 is a wasteful number, since it uses less digits than its factorization.
1393141641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4508655.
The product of its digits is 7776, while the sum is 33.
The square root of 1393141641 is about 37324.8126720014. The cubic root of 1393141641 is about 1116.8591960995.
The spelling of 1393141641 in words is "one billion, three hundred ninety-three million, one hundred forty-one thousand, six hundred forty-one".
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