Base | Representation |
---|---|
bin | 11000110010100001011110… |
… | …11111100101101001000111 |
3 | 21011000100100100220111112200 |
4 | 30121100233133211221013 |
5 | 24121113121030340011 |
6 | 311534412354445543 |
7 | 14324254051312116 |
oct | 1431205737455107 |
9 | 234010310814480 |
10 | 54512521730631 |
11 | 164076a3418768 |
12 | 6144a852938b3 |
13 | 245567c924133 |
14 | d665c4b99c7d |
15 | 647ee0bca856 |
hex | 31942f7e5a47 |
54512521730631 has 12 divisors (see below), whose sum is σ = 78819764587200. Its totient is φ = 36305009421120.
The previous prime is 54512521730621. The next prime is 54512521730683. The reversal of 54512521730631 is 13603712521545.
54512521730631 is a `hidden beast` number, since 5 + 4 + 5 + 1 + 2 + 5 + 2 + 1 + 7 + 3 + 0 + 631 = 666.
It is not a de Polignac number, because 54512521730631 - 25 = 54512521730599 is a prime.
It is a super-2 number, since 2×545125217306312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54512521730621) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3055968306 + ... + 3055986143.
It is an arithmetic number, because the mean of its divisors is an integer number (6568313715600).
Almost surely, 254512521730631 is an apocalyptic number.
54512521730631 is a deficient number, since it is larger than the sum of its proper divisors (24307242856569).
54512521730631 is a wasteful number, since it uses less digits than its factorization.
54512521730631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6111955446 (or 6111955443 counting only the distinct ones).
The product of its (nonzero) digits is 756000, while the sum is 45.
The spelling of 54512521730631 in words is "fifty-four trillion, five hundred twelve billion, five hundred twenty-one million, seven hundred thirty thousand, six hundred thirty-one".
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