Base | Representation |
---|---|
bin | 100111111010100000… |
… | …100010100111101111 |
3 | 11002121211000121120020 |
4 | 213322200202213233 |
5 | 1200233012240304 |
6 | 31404413453223 |
7 | 3045023036304 |
oct | 477240424757 |
9 | 132554017506 |
10 | 42857540079 |
11 | 171a2a67212 |
12 | 8380aa1213 |
13 | 40700a7b93 |
14 | 2107ccd0ab |
15 | 11ac7da5d9 |
hex | 9fa8229ef |
42857540079 has 8 divisors (see below), whose sum is σ = 57185011632. Its totient is φ = 28550880960.
The previous prime is 42857540051. The next prime is 42857540081. The reversal of 42857540079 is 97004575824.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42857540079 - 27 = 42857539951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42857540279) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198302 + ... + 5206539.
It is an arithmetic number, because the mean of its divisors is an integer number (7148126454).
Almost surely, 242857540079 is an apocalyptic number.
42857540079 is a deficient number, since it is larger than the sum of its proper divisors (14327471553).
42857540079 is a wasteful number, since it uses less digits than its factorization.
42857540079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10406217.
The product of its (nonzero) digits is 2822400, while the sum is 51.
The spelling of 42857540079 in words is "forty-two billion, eight hundred fifty-seven million, five hundred forty thousand, seventy-nine".
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