Base | Representation |
---|---|
bin | 10101100000001110111011… |
… | …00111101111101111011001 |
3 | 20012102121001020202110022000 |
4 | 22300013131213233233121 |
5 | 22144222300331124221 |
6 | 244323204241351213 |
7 | 12650242160562120 |
oct | 1260073547575731 |
9 | 205377036673260 |
10 | 47287013145561 |
11 | 14081345172762 |
12 | 5378659038509 |
13 | 20501b92a3527 |
14 | b969bcb4aab7 |
15 | 57009c8c2e26 |
hex | 2b01dd9efbd9 |
47287013145561 has 16 divisors (see below), whose sum is σ = 80062667760000. Its totient is φ = 27021150368784.
The previous prime is 47287013145551. The next prime is 47287013145611. The reversal of 47287013145561 is 16554131078274.
47287013145561 is a `hidden beast` number, since 4 + 7 + 2 + 8 + 7 + 0 + 1 + 31 + 45 + 561 = 666.
It is not a de Polignac number, because 47287013145561 - 25 = 47287013145529 is a prime.
It is a super-2 number, since 2×472870131455612 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47287013145498 and 47287013145507.
It is not an unprimeable number, because it can be changed into a prime (47287013145511) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125097918186 + ... + 125097918563.
It is an arithmetic number, because the mean of its divisors is an integer number (5003916735000).
Almost surely, 247287013145561 is an apocalyptic number.
It is an amenable number.
47287013145561 is a deficient number, since it is larger than the sum of its proper divisors (32775654614439).
47287013145561 is a wasteful number, since it uses less digits than its factorization.
47287013145561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250195836765 (or 250195836759 counting only the distinct ones).
The product of its (nonzero) digits is 5644800, while the sum is 54.
The spelling of 47287013145561 in words is "forty-seven trillion, two hundred eighty-seven billion, thirteen million, one hundred forty-five thousand, five hundred sixty-one".
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