Base | Representation |
---|---|
bin | 101100101011010011… |
… | …011111111011111101 |
3 | 11120211012020000221112 |
4 | 230223103133323331 |
5 | 1241221110001333 |
6 | 34012044411405 |
7 | 3315525143405 |
oct | 545323377375 |
9 | 146735200845 |
10 | 47971172093 |
11 | 19387526679 |
12 | 9369546b65 |
13 | 46a6641040 |
14 | 24710cd805 |
15 | 13ab6da948 |
hex | b2b4dfefd |
47971172093 has 8 divisors (see below), whose sum is σ = 51695473536. Its totient is φ = 44251758000.
The previous prime is 47971172083. The next prime is 47971172099. The reversal of 47971172093 is 39027117974.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 47971172093 - 212 = 47971167997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47971172099) 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, 1201433 + ... + 1240718.
It is an arithmetic number, because the mean of its divisors is an integer number (6461934192).
Almost surely, 247971172093 is an apocalyptic number.
It is an amenable number.
47971172093 is a deficient number, since it is larger than the sum of its proper divisors (3724301443).
47971172093 is a wasteful number, since it uses less digits than its factorization.
47971172093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2443675.
The product of its (nonzero) digits is 666792, while the sum is 50.
The spelling of 47971172093 in words is "forty-seven billion, nine hundred seventy-one million, one hundred seventy-two thousand, ninety-three".
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