Base | Representation |
---|---|
bin | 101100101001111001… |
… | …111001011010001101 |
3 | 11120202120000200121111 |
4 | 230221321321122031 |
5 | 1241144101332334 |
6 | 34005445132021 |
7 | 3315121404430 |
oct | 545171713215 |
9 | 146676020544 |
10 | 47947683469 |
11 | 19375243294 |
12 | 93616ba011 |
13 | 46a1808a4a |
14 | 246bd37817 |
15 | 13a95eb064 |
hex | b29e7968d |
47947683469 has 32 divisors (see below), whose sum is σ = 57452322816. Its totient is φ = 39156099840.
The previous prime is 47947683461. The next prime is 47947683499. The reversal of 47947683469 is 96438674974.
It is a cyclic number.
It is not a de Polignac number, because 47947683469 - 23 = 47947683461 is a prime.
It is a super-2 number, since 2×479476834692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47947683461) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7642804 + ... + 7649074.
It is an arithmetic number, because the mean of its divisors is an integer number (1795385088).
Almost surely, 247947683469 is an apocalyptic number.
It is an amenable number.
47947683469 is a deficient number, since it is larger than the sum of its proper divisors (9504639347).
47947683469 is a wasteful number, since it uses less digits than its factorization.
47947683469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6925.
The product of its digits is 219469824, while the sum is 67.
The spelling of 47947683469 in words is "forty-seven billion, nine hundred forty-seven million, six hundred eighty-three thousand, four hundred sixty-nine".
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