Base | Representation |
---|---|
bin | 101100101011110101… |
… | …111001111011010001 |
3 | 11120211211012021011110 |
4 | 230223311321323101 |
5 | 1241230412111231 |
6 | 34013010003533 |
7 | 3315664620030 |
oct | 545365717321 |
9 | 146754167143 |
10 | 47980191441 |
11 | 19391626a86 |
12 | 93705765a9 |
13 | 46a847b430 |
14 | 247239a717 |
15 | 13ac3bd046 |
hex | b2bd79ed1 |
47980191441 has 64 divisors (see below), whose sum is σ = 81918427136. Its totient is φ = 24298444800.
The previous prime is 47980191437. The next prime is 47980191461. The reversal of 47980191441 is 14419108974.
It is a happy number.
It is not a de Polignac number, because 47980191441 - 22 = 47980191437 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47980191461) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1052481 + ... + 1097121.
It is an arithmetic number, because the mean of its divisors is an integer number (1279975424).
Almost surely, 247980191441 is an apocalyptic number.
It is an amenable number.
47980191441 is a deficient number, since it is larger than the sum of its proper divisors (33938235695).
47980191441 is a wasteful number, since it uses less digits than its factorization.
47980191441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44822.
The product of its (nonzero) digits is 290304, while the sum is 48.
The spelling of 47980191441 in words is "forty-seven billion, nine hundred eighty million, one hundred ninety-one thousand, four hundred forty-one".
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