Base | Representation |
---|---|
bin | 100111010010101111… |
… | …011000110100100001 |
3 | 11000220022120111212020 |
4 | 213102233120310201 |
5 | 1142401211442312 |
6 | 31214301252053 |
7 | 3022342000533 |
oct | 472257306441 |
9 | 130808514766 |
10 | 42190343457 |
11 | 16990392549 |
12 | 8215564029 |
13 | 3c94ab2792 |
14 | 2083453853 |
15 | 116de4778c |
hex | 9d2bd8d21 |
42190343457 has 16 divisors (see below), whose sum is σ = 58731982848. Its totient is φ = 26889148880.
The previous prime is 42190343443. The next prime is 42190343519. The reversal of 42190343457 is 75434309124.
It is a happy number.
42190343457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 42190343457 - 212 = 42190339361 is a prime.
It is not an unprimeable number, because it can be changed into a prime (42190343957) 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, 41919 + ... + 293492.
It is an arithmetic number, because the mean of its divisors is an integer number (3670748928).
Almost surely, 242190343457 is an apocalyptic number.
It is an amenable number.
42190343457 is a deficient number, since it is larger than the sum of its proper divisors (16541639391).
42190343457 is a wasteful number, since it uses less digits than its factorization.
42190343457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337260.
The product of its (nonzero) digits is 362880, while the sum is 42.
The spelling of 42190343457 in words is "forty-two billion, one hundred ninety million, three hundred forty-three thousand, four hundred fifty-seven".
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