Base | Representation |
---|---|
bin | 110010010101111100… |
… | …011000111010100111 |
3 | 12011112012110212211000 |
4 | 302111330120322213 |
5 | 1341201120242211 |
6 | 40455503244343 |
7 | 3622352662620 |
oct | 622574307247 |
9 | 164465425730 |
10 | 54055243431 |
11 | 20a19859502 |
12 | a586ba96b3 |
13 | 5135c64357 |
14 | 288b144a47 |
15 | 16158cd656 |
hex | c95f18ea7 |
54055243431 has 32 divisors (see below), whose sum is σ = 91635494400. Its totient is φ = 30850441920.
The previous prime is 54055243387. The next prime is 54055243433. The reversal of 54055243431 is 13434255045.
54055243431 is a `hidden beast` number, since 5 + 40 + 552 + 4 + 34 + 31 = 666.
It is not a de Polignac number, because 54055243431 - 233 = 45465308839 is a prime.
It is a super-2 number, since 2×540552434312 (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 (54055243433) 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, 23865 + ... + 329666.
It is an arithmetic number, because the mean of its divisors is an integer number (2863609200).
Almost surely, 254055243431 is an apocalyptic number.
54055243431 is a deficient number, since it is larger than the sum of its proper divisors (37580250969).
54055243431 is a wasteful number, since it uses less digits than its factorization.
54055243431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 354356 (or 354350 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 36.
Adding to 54055243431 its reverse (13434255045), we get a palindrome (67489498476).
The spelling of 54055243431 in words is "fifty-four billion, fifty-five million, two hundred forty-three thousand, four hundred thirty-one".
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