Base | Representation |
---|---|
bin | 110010101110110011… |
… | …001010100001000101 |
3 | 12012121021011021220120 |
4 | 302232303022201011 |
5 | 1343024344134212 |
6 | 41005121252153 |
7 | 3635605350456 |
oct | 625663124105 |
9 | 165537137816 |
10 | 54472255557 |
11 | 21113193925 |
12 | a682794059 |
13 | 51a14810a5 |
14 | 28ca69712d |
15 | 163c30288c |
hex | caecca845 |
54472255557 has 16 divisors (see below), whose sum is σ = 74093709312. Its totient is φ = 35588945840.
The previous prime is 54472255553. The next prime is 54472255573. The reversal of 54472255557 is 75555227445.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 54472255557 - 22 = 54472255553 is a prime.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54472255553) 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 15 ways as a sum of consecutive naturals, for example, 730113 + ... + 801254.
It is an arithmetic number, because the mean of its divisors is an integer number (4630856832).
Almost surely, 254472255557 is an apocalyptic number.
It is an amenable number.
54472255557 is a deficient number, since it is larger than the sum of its proper divisors (19621453755).
54472255557 is a wasteful number, since it uses less digits than its factorization.
54472255557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1531608.
The product of its digits is 9800000, while the sum is 51.
The spelling of 54472255557 in words is "fifty-four billion, four hundred seventy-two million, two hundred fifty-five thousand, five hundred fifty-seven".
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