Base | Representation |
---|---|
bin | 10010101011111111110… |
… | …00011001000000010111 |
3 | 2021101100202011220201222 |
4 | 21111333320121000113 |
5 | 41010002434203043 |
6 | 1210550305240555 |
7 | 64250504453351 |
oct | 11257770310027 |
9 | 2241322156658 |
10 | 642095616023 |
11 | 228347265a04 |
12 | a453863315b |
13 | 4871ac24344 |
14 | 23112cba0d1 |
15 | 11a80802d68 |
hex | 957fe19017 |
642095616023 has 8 divisors (see below), whose sum is σ = 644929222080. Its totient is φ = 639262268640.
The previous prime is 642095616007. The next prime is 642095616047. The reversal of 642095616023 is 320616590246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 642095616023 - 24 = 642095616007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (642095616083) 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, 6276761 + ... + 6378237.
It is an arithmetic number, because the mean of its divisors is an integer number (80616152760).
Almost surely, 2642095616023 is an apocalyptic number.
642095616023 is a deficient number, since it is larger than the sum of its proper divisors (2833606057).
642095616023 is a wasteful number, since it uses less digits than its factorization.
642095616023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129337.
The product of its (nonzero) digits is 466560, while the sum is 44.
The spelling of 642095616023 in words is "six hundred forty-two billion, ninety-five million, six hundred sixteen thousand, twenty-three".
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