Base | Representation |
---|---|
bin | 110010011001111000… |
… | …001100100010011100 |
3 | 12011200210200111221121 |
4 | 302121320030202130 |
5 | 1341320020044040 |
6 | 40510222140324 |
7 | 3624114026452 |
oct | 623170144234 |
9 | 164623614847 |
10 | 54121253020 |
11 | 20a5304448a |
12 | a5a51216a4 |
13 | 5146836793 |
14 | 2895c089d2 |
15 | 161b5bbc4a |
hex | c99e0c89c |
54121253020 has 12 divisors (see below), whose sum is σ = 113654631384. Its totient is φ = 21648501200.
The previous prime is 54121253003. The next prime is 54121253029. The reversal of 54121253020 is 2035212145.
It is a super-2 number, since 2×541212530202 (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 (54121253029) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353031306 + ... + 1353031345.
It is an arithmetic number, because the mean of its divisors is an integer number (9471219282).
Almost surely, 254121253020 is an apocalyptic number.
It is an amenable number.
54121253020 is an abundant number, since it is smaller than the sum of its proper divisors (59533378364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54121253020 is a wasteful number, since it uses less digits than its factorization.
54121253020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2706062660 (or 2706062658 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 54121253020 its reverse (2035212145), we get a palindrome (56156465165).
It can be divided in two parts, 5412125 and 3020, that added together give a palindrome (5415145).
The spelling of 54121253020 in words is "fifty-four billion, one hundred twenty-one million, two hundred fifty-three thousand, twenty".
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