Base | Representation |
---|---|
bin | 101100011001011110… |
… | …001110001010111001 |
3 | 11120001100021011102000 |
4 | 230121132032022321 |
5 | 1240113012234032 |
6 | 33522240131213 |
7 | 3305233153245 |
oct | 543136161271 |
9 | 146040234360 |
10 | 47671993017 |
11 | 19243662a40 |
12 | 92a5306b09 |
13 | 465966cabc |
14 | 2443491425 |
15 | 13902dee7c |
hex | b1978e2b9 |
47671993017 has 32 divisors (see below), whose sum is σ = 78924827520. Its totient is φ = 28187424000.
The previous prime is 47671993007. The next prime is 47671993021. The reversal of 47671993017 is 71039917674.
47671993017 is a `hidden beast` number, since 476 + 71 + 9 + 93 + 0 + 17 = 666.
It is not a de Polignac number, because 47671993017 - 24 = 47671993001 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47671993007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1945284 + ... + 1969637.
It is an arithmetic number, because the mean of its divisors is an integer number (2466400860).
Almost surely, 247671993017 is an apocalyptic number.
It is an amenable number.
47671993017 is a deficient number, since it is larger than the sum of its proper divisors (31252834503).
47671993017 is a wasteful number, since it uses less digits than its factorization.
47671993017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3914982 (or 3914976 counting only the distinct ones).
The product of its (nonzero) digits is 2000376, while the sum is 54.
The spelling of 47671993017 in words is "forty-seven billion, six hundred seventy-one million, nine hundred ninety-three thousand, seventeen".
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