Base | Representation |
---|---|
bin | 101011111001011010… |
… | …111000001000000101 |
3 | 11111122212101202022220 |
4 | 223321122320020011 |
5 | 1233012331323011 |
6 | 33353030242553 |
7 | 3256013322006 |
oct | 537132701005 |
9 | 144585352286 |
10 | 47134245381 |
11 | 18a98064203 |
12 | 91751b6459 |
13 | 45a212c432 |
14 | 23d1cb11ad |
15 | 135cebc506 |
hex | af96b8205 |
47134245381 has 32 divisors (see below), whose sum is σ = 65542369536. Its totient is φ = 30105600000.
The previous prime is 47134245377. The next prime is 47134245401. The reversal of 47134245381 is 18354243174.
It is not a de Polignac number, because 47134245381 - 22 = 47134245377 is a prime.
It is a super-2 number, since 2×471342453812 (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 (47134245181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2233881 + ... + 2254881.
It is an arithmetic number, because the mean of its divisors is an integer number (2048199048).
Almost surely, 247134245381 is an apocalyptic number.
47134245381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
It is an amenable number.
47134245381 is a deficient number, since it is larger than the sum of its proper divisors (18408124155).
47134245381 is a wasteful number, since it uses less digits than its factorization.
47134245381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21373.
The product of its digits is 322560, while the sum is 42.
The spelling of 47134245381 in words is "forty-seven billion, one hundred thirty-four million, two hundred forty-five thousand, three hundred eighty-one".
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