Base | Representation |
---|---|
bin | 101011111010011110… |
… | …110111110110110111 |
3 | 11111201002221100012121 |
4 | 223322132313312313 |
5 | 1233031412220241 |
6 | 33354504300411 |
7 | 3256320661021 |
oct | 537236676667 |
9 | 144632840177 |
10 | 47152070071 |
11 | 18aa7129157 |
12 | 917b171707 |
13 | 45a5a306a2 |
14 | 23d43d1011 |
15 | 135e83dad1 |
hex | afa7b7db7 |
47152070071 has 4 divisors (see below), whose sum is σ = 47157111144. Its totient is φ = 47147029000.
The previous prime is 47152070059. The next prime is 47152070083. The reversal of 47152070071 is 17007025174.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17007025174 = 2 ⋅8503512587.
It is an interprime number because it is at equal distance from previous prime (47152070059) and next prime (47152070083).
It is a cyclic number.
It is not a de Polignac number, because 47152070071 - 229 = 46615199159 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 (47152079071) 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, 2506480 + ... + 2525221.
It is an arithmetic number, because the mean of its divisors is an integer number (11789277786).
Almost surely, 247152070071 is an apocalyptic number.
47152070071 is a deficient number, since it is larger than the sum of its proper divisors (5041073).
47152070071 is an equidigital number, since it uses as much as digits as its factorization.
47152070071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5041072.
The product of its (nonzero) digits is 13720, while the sum is 34.
The spelling of 47152070071 in words is "forty-seven billion, one hundred fifty-two million, seventy thousand, seventy-one".
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