Base | Representation |
---|---|
bin | 10101100111101010110110… |
… | …00101011111001010001111 |
3 | 20020100000120001011122212011 |
4 | 22303311123011133022033 |
5 | 22212414040404230211 |
6 | 245040422133122051 |
7 | 13004555665111666 |
oct | 1263653305371217 |
9 | 206300501148764 |
10 | 47542521164431 |
11 | 1416a740848017 |
12 | 53ba086189327 |
13 | 206b318522c87 |
14 | ba50daca1ddd |
15 | 576a54042921 |
hex | 2b3d5b15f28f |
47542521164431 has 16 divisors (see below), whose sum is σ = 48089123020800. Its totient is φ = 46997453351200.
The previous prime is 47542521164407. The next prime is 47542521164471. The reversal of 47542521164431 is 13446112524574.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 47542521164431 - 215 = 47542521131663 is a prime.
It is a super-2 number, since 2×475425211644312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47542521164471) 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, 208990356 + ... + 209217718.
It is an arithmetic number, because the mean of its divisors is an integer number (3005570188800).
Almost surely, 247542521164431 is an apocalyptic number.
47542521164431 is a deficient number, since it is larger than the sum of its proper divisors (546601856369).
47542521164431 is a wasteful number, since it uses less digits than its factorization.
47542521164431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230726.
The product of its digits is 3225600, while the sum is 49.
The spelling of 47542521164431 in words is "forty-seven trillion, five hundred forty-two billion, five hundred twenty-one million, one hundred sixty-four thousand, four hundred thirty-one".
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