Base | Representation |
---|---|
bin | 1110001110101000… |
… | …11111111010101101 |
3 | 201201101010202110020 |
4 | 13013110133322231 |
5 | 111121041210033 |
6 | 3302002232353 |
7 | 360205326060 |
oct | 70724377255 |
9 | 21641122406 |
10 | 7639006893 |
11 | 3270024a41 |
12 | 15923556b9 |
13 | 94980b32b |
14 | 5267788d7 |
15 | 2ea98e6b3 |
hex | 1c751fead |
7639006893 has 16 divisors (see below), whose sum is σ = 11642880000. Its totient is φ = 4364213616.
The previous prime is 7639006883. The next prime is 7639006897. The reversal of 7639006893 is 3986009367.
It is a happy number.
It is not a de Polignac number, because 7639006893 - 25 = 7639006861 is a prime.
It is a super-2 number, since 2×76390068932 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7639006897) 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, 68596 + ... + 141362.
It is an arithmetic number, because the mean of its divisors is an integer number (727680000).
Almost surely, 27639006893 is an apocalyptic number.
It is an amenable number.
7639006893 is a deficient number, since it is larger than the sum of its proper divisors (4003873107).
7639006893 is a wasteful number, since it uses less digits than its factorization.
7639006893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77776.
The product of its (nonzero) digits is 1469664, while the sum is 51.
The square root of 7639006893 is about 87401.4124199375. The cubic root of 7639006893 is about 1969.4530585875.
The spelling of 7639006893 in words is "seven billion, six hundred thirty-nine million, six thousand, eight hundred ninety-three".
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