Base | Representation |
---|---|
bin | 101100001000100101… |
… | …010000000101111111 |
3 | 11112022121001111010202 |
4 | 230020211100011333 |
5 | 1234022441420411 |
6 | 33434154354115 |
7 | 3265222436255 |
oct | 541045200577 |
9 | 145277044122 |
10 | 47388623231 |
11 | 19108708034 |
12 | 922642b93b |
13 | 4612a45681 |
14 | 24179aa5d5 |
15 | 13754b883b |
hex | b0895017f |
47388623231 has 2 divisors, whose sum is σ = 47388623232. Its totient is φ = 47388623230.
The previous prime is 47388623167. The next prime is 47388623287. The reversal of 47388623231 is 13232688374.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 47388623231 - 26 = 47388623167 is a prime.
It is a super-2 number, since 2×473886232312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47388626231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23694311615 + 23694311616.
It is an arithmetic number, because the mean of its divisors is an integer number (23694311616).
Almost surely, 247388623231 is an apocalyptic number.
47388623231 is a deficient number, since it is larger than the sum of its proper divisors (1).
47388623231 is an equidigital number, since it uses as much as digits as its factorization.
47388623231 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1161216, while the sum is 47.
The spelling of 47388623231 in words is "forty-seven billion, three hundred eighty-eight million, six hundred twenty-three thousand, two hundred thirty-one".
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