Base | Representation |
---|---|
bin | 1111110010100011110… |
… | …10010000111100000000 |
3 | 1220212101112221002012022 |
4 | 13321101322100330000 |
5 | 32342110231420040 |
6 | 1053123421221012 |
7 | 54124435552415 |
oct | 7712172207400 |
9 | 1825345832168 |
10 | 542540107520 |
11 | 19a0a9823954 |
12 | 89193701768 |
13 | 3c213533228 |
14 | 1c38acc210c |
15 | e1a56196b5 |
hex | 7e51e90f00 |
542540107520 has 144 divisors (see below), whose sum is σ = 1310258043360. Its totient is φ = 215235428352.
The previous prime is 542540107489. The next prime is 542540107531. The reversal of 542540107520 is 25701045245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85719716 + ... + 85726044.
It is an arithmetic number, because the mean of its divisors is an integer number (9099014190).
Almost surely, 2542540107520 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 542540107520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655129021680).
542540107520 is an abundant number, since it is smaller than the sum of its proper divisors (767717935840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542540107520 is a wasteful number, since it uses less digits than its factorization.
542540107520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6890 (or 6876 counting only the distinct ones).
The product of its (nonzero) digits is 56000, while the sum is 35.
The spelling of 542540107520 in words is "five hundred forty-two billion, five hundred forty million, one hundred seven thousand, five hundred twenty".
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