Base | Representation |
---|---|
bin | 100100001000100100… |
… | …010110110010011111 |
3 | 10201010221010200010210 |
4 | 210020210112302133 |
5 | 1113424401011134 |
6 | 25453533303503 |
7 | 2542314263001 |
oct | 441044266237 |
9 | 121127120123 |
10 | 38798453919 |
11 | 154aa796755 |
12 | 7629634b93 |
13 | 3874169454 |
14 | 1c40b98371 |
15 | 10212932e9 |
hex | 908916c9f |
38798453919 has 8 divisors (see below), whose sum is σ = 52017080752. Its totient is φ = 25722731520.
The previous prime is 38798453861. The next prime is 38798453933. The reversal of 38798453919 is 91935489783.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 38798453919 - 216 = 38798388383 is a prime.
It is a super-2 number, since 2×387984539192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 38798453919.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38798453959) 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, 35725474 + ... + 35726559.
It is an arithmetic number, because the mean of its divisors is an integer number (6502135094).
Almost surely, 238798453919 is an apocalyptic number.
38798453919 is a deficient number, since it is larger than the sum of its proper divisors (13218626833).
38798453919 is a wasteful number, since it uses less digits than its factorization.
38798453919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71452217.
The product of its digits is 58786560, while the sum is 66.
The spelling of 38798453919 in words is "thirty-eight billion, seven hundred ninety-eight million, four hundred fifty-three thousand, nine hundred nineteen".
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