Base | Representation |
---|---|
bin | 1111110001110011011… |
… | …11101011110100011001 |
3 | 1220211100022001021100222 |
4 | 13320321233223310121 |
5 | 32340242434241412 |
6 | 1053015255405425 |
7 | 54111413516450 |
oct | 7707157536431 |
9 | 1824308037328 |
10 | 542134680857 |
11 | 199a109918a0 |
12 | 8909b983875 |
13 | 3c17a5418b3 |
14 | 1c34d107b97 |
15 | e17ec33072 |
hex | 7e39bebd19 |
542134680857 has 16 divisors (see below), whose sum is σ = 675939987072. Its totient is φ = 422422725120.
The previous prime is 542134680833. The next prime is 542134680929. The reversal of 542134680857 is 758086431245.
It is not a de Polignac number, because 542134680857 - 26 = 542134680793 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 542134680799 and 542134680808.
It is not an unprimeable number, because it can be changed into a prime (542134686857) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602623 + ... + 1911195.
It is an arithmetic number, because the mean of its divisors is an integer number (42246249192).
Almost surely, 2542134680857 is an apocalyptic number.
It is an amenable number.
542134680857 is a deficient number, since it is larger than the sum of its proper divisors (133805306215).
542134680857 is a wasteful number, since it uses less digits than its factorization.
542134680857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331408.
The product of its (nonzero) digits is 6451200, while the sum is 53.
The spelling of 542134680857 in words is "five hundred forty-two billion, one hundred thirty-four million, six hundred eighty thousand, eight hundred fifty-seven".
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