Base | Representation |
---|---|
bin | 10111010110010000111101… |
… | …01101111101011011110110 |
3 | 20201210022002220011021201000 |
4 | 23223020132231331123312 |
5 | 23212144022412432412 |
6 | 301110235513544130 |
7 | 13546243234622016 |
oct | 1353103655753366 |
9 | 221708086137630 |
10 | 51342554420982 |
11 | 153a5289522640 |
12 | 5912645715046 |
13 | 2285774b74876 |
14 | c96dc86d9c46 |
15 | 5e080e9474dc |
hex | 2eb21eb7d6f6 |
51342554420982 has 96 divisors (see below), whose sum is σ = 127576619959680. Its totient is φ = 15178877582400.
The previous prime is 51342554420981. The next prime is 51342554421061. The reversal of 51342554420982 is 28902445524315.
51342554420982 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 2 + 5 + 544 + 2 + 0 + 98 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51342554420981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24710968 + ... + 26707995.
It is an arithmetic number, because the mean of its divisors is an integer number (1328923124580).
Almost surely, 251342554420982 is an apocalyptic number.
51342554420982 is an abundant number, since it is smaller than the sum of its proper divisors (76234065538698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51342554420982 is a wasteful number, since it uses less digits than its factorization.
51342554420982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51419067 (or 51419020 counting only the distinct ones).
The product of its (nonzero) digits is 13824000, while the sum is 54.
The spelling of 51342554420982 in words is "fifty-one trillion, three hundred forty-two billion, five hundred fifty-four million, four hundred twenty thousand, nine hundred eighty-two".
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