Base | Representation |
---|---|
bin | 10101011110100110101110… |
… | …01111011000001010011101 |
3 | 20012020020122120201101211120 |
4 | 22233103113033120022131 |
5 | 22142313213302110024 |
6 | 244241353230241153 |
7 | 12643221660603102 |
oct | 1257232717301235 |
9 | 205206576641746 |
10 | 47231071519389 |
11 | 1405a648619a5a |
12 | 53698463561b9 |
13 | 2047b42595794 |
14 | b93dd3284aa9 |
15 | 56d8c65c6479 |
hex | 2af4d73d829d |
47231071519389 has 4 divisors (see below), whose sum is σ = 62974762025856. Its totient is φ = 31487381012924.
The previous prime is 47231071519337. The next prime is 47231071519469. The reversal of 47231071519389 is 98391517013274.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 47231071519389 - 28 = 47231071519133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47231071519309) 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, 7871845253229 + ... + 7871845253234.
It is an arithmetic number, because the mean of its divisors is an integer number (15743690506464).
Almost surely, 247231071519389 is an apocalyptic number.
It is an amenable number.
47231071519389 is a deficient number, since it is larger than the sum of its proper divisors (15743690506467).
47231071519389 is a wasteful number, since it uses less digits than its factorization.
47231071519389 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15743690506466.
The product of its (nonzero) digits is 11430720, while the sum is 60.
The spelling of 47231071519389 in words is "forty-seven trillion, two hundred thirty-one billion, seventy-one million, five hundred nineteen thousand, three hundred eighty-nine".
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