Base | Representation |
---|---|
bin | 101100011110000111… |
… | …110000011010011111 |
3 | 11120020210000211012220 |
4 | 230132013300122133 |
5 | 1240242444140142 |
6 | 33534104000423 |
7 | 3310201134654 |
oct | 543607603237 |
9 | 146223024186 |
10 | 47749990047 |
11 | 192836962a1 |
12 | 9307460113 |
13 | 466c87b5a6 |
14 | 244d995c2b |
15 | 139709a2ec |
hex | b1e1f069f |
47749990047 has 8 divisors (see below), whose sum is σ = 63671488944. Its totient is φ = 31830908928.
The previous prime is 47749990039. The next prime is 47749990061. The reversal of 47749990047 is 74009994774.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 47749990047 - 23 = 47749990039 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47749990097) 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, 557848 + ... + 637725.
It is an arithmetic number, because the mean of its divisors is an integer number (7958936118).
Almost surely, 247749990047 is an apocalyptic number.
47749990047 is a deficient number, since it is larger than the sum of its proper divisors (15921498897).
47749990047 is a wasteful number, since it uses less digits than its factorization.
47749990047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1208889.
The product of its (nonzero) digits is 16003008, while the sum is 60.
The spelling of 47749990047 in words is "forty-seven billion, seven hundred forty-nine million, nine hundred ninety thousand, forty-seven".
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