Base | Representation |
---|---|
bin | 100011100101011000… |
… | …011101110111110001 |
3 | 10122121210100100022211 |
4 | 203211120131313301 |
5 | 1111222240302031 |
6 | 25315204532121 |
7 | 2521555533355 |
oct | 434530356761 |
9 | 118553310284 |
10 | 38208134641 |
11 | 15227550086 |
12 | 74a39b1041 |
13 | 37aba7ccc1 |
14 | 1bc6611465 |
15 | ed9538bb1 |
hex | 8e561ddf1 |
38208134641 has 4 divisors (see below), whose sum is σ = 38212679232. Its totient is φ = 38203590052.
The previous prime is 38208134609. The next prime is 38208134669. The reversal of 38208134641 is 14643180283.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14643180283 = 101 ⋅144981983.
It is a cyclic number.
It is not a de Polignac number, because 38208134641 - 25 = 38208134609 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38208134594 and 38208134603.
It is not an unprimeable number, because it can be changed into a prime (38208134941) 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, 2259661 + ... + 2276506.
It is an arithmetic number, because the mean of its divisors is an integer number (9553169808).
Almost surely, 238208134641 is an apocalyptic number.
It is an amenable number.
38208134641 is a deficient number, since it is larger than the sum of its proper divisors (4544591).
38208134641 is an equidigital number, since it uses as much as digits as its factorization.
38208134641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4544590.
The product of its (nonzero) digits is 110592, while the sum is 40.
The spelling of 38208134641 in words is "thirty-eight billion, two hundred eight million, one hundred thirty-four thousand, six hundred forty-one".
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