Base | Representation |
---|---|
bin | 11000110011000000111010… |
… | …10001010100100100100100 |
3 | 21011001221220100120121010000 |
4 | 30121200131101110210210 |
5 | 24121402200320314423 |
6 | 311550243022101300 |
7 | 14325422156162514 |
oct | 1431403521244444 |
9 | 234057810517100 |
10 | 54529395869988 |
11 | 16413872432386 |
12 | 61481b441a830 |
13 | 245713b81ab90 |
14 | d67345c75844 |
15 | 64867c2e0843 |
hex | 31981d454924 |
54529395869988 has 360 divisors, whose sum is σ = 163171486346792. Its totient is φ = 15782227329024.
The previous prime is 54529395869909. The next prime is 54529395869989. The reversal of 54529395869988 is 88996859392545.
It is a happy number.
54529395869988 is a `hidden beast` number, since 5 + 4 + 52 + 9 + 395 + 8 + 6 + 99 + 88 = 666.
It can be written as a sum of positive squares in 12 ways, for example, as 14744309788224 + 39785086081764 = 3839832^2 + 6307542^2 .
It is a junction number, because it is equal to n+sod(n) for n = 54529395869898 and 54529395869907.
It is not an unprimeable number, because it can be changed into a prime (54529395869989) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2279931006 + ... + 2279954922.
Almost surely, 254529395869988 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54529395869988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81585743173396).
54529395869988 is an abundant number, since it is smaller than the sum of its proper divisors (108642090476804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54529395869988 is a wasteful number, since it uses less digits than its factorization.
54529395869988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25853 (or 25825 counting only the distinct ones).
The product of its digits is 60466176000, while the sum is 90.
The spelling of 54529395869988 in words is "fifty-four trillion, five hundred twenty-nine billion, three hundred ninety-five million, eight hundred sixty-nine thousand, nine hundred eighty-eight".
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