Base | Representation |
---|---|
bin | 1111110010100101000… |
… | …00110110100101101111 |
3 | 1220212102020222000022200 |
4 | 13321102200312211233 |
5 | 32342120324120330 |
6 | 1053124422112543 |
7 | 54124620543300 |
oct | 7712240664557 |
9 | 1825366860280 |
10 | 542550223215 |
11 | 19a104502a30 |
12 | 89196b7b753 |
13 | 3c215665650 |
14 | 1c38c3967a7 |
15 | e1a6466a60 |
hex | 7e5283696f |
542550223215 has 288 divisors, whose sum is σ = 1287473818176. Its totient is φ = 207764766720.
The previous prime is 542550223211. The next prime is 542550223277. The reversal of 542550223215 is 512322055245.
542550223215 is a `hidden beast` number, since 5 + 42 + 550 + 22 + 32 + 15 = 666.
It is not a de Polignac number, because 542550223215 - 22 = 542550223211 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 542550223215.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (542550223211) by changing a digit.
It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 238692319 + ... + 238694591.
It is an arithmetic number, because the mean of its divisors is an integer number (4470395202).
Almost surely, 2542550223215 is an apocalyptic number.
542550223215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
542550223215 is an abundant number, since it is smaller than the sum of its proper divisors (744923594961).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542550223215 is a wasteful number, since it uses less digits than its factorization.
542550223215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3079 (or 3069 counting only the distinct ones).
The product of its (nonzero) digits is 120000, while the sum is 36.
The spelling of 542550223215 in words is "five hundred forty-two billion, five hundred fifty million, two hundred twenty-three thousand, two hundred fifteen".
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