Base | Representation |
---|---|
bin | 1110010001110101… |
… | …00010101101110101 |
3 | 201210020110210202121 |
4 | 13020322202231311 |
5 | 111144413211140 |
6 | 3304355435541 |
7 | 360651600622 |
oct | 71072425565 |
9 | 21706423677 |
10 | 7665757045 |
11 | 3284135801 |
12 | 159b2b5bb1 |
13 | 95221601b |
14 | 52a13d349 |
15 | 2ecec564a |
hex | 1c8ea2b75 |
7665757045 has 8 divisors (see below), whose sum is σ = 9740020824. Its totient is φ = 5771864064.
The previous prime is 7665756991. The next prime is 7665757049. The reversal of 7665757045 is 5407575667.
It is a happy number.
7665757045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 4026410116 + 3639346929 = 63454^2 + 60327^2 .
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 7665757045 - 211 = 7665754997 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7665756983 and 7665757001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7665757049) 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, 45092604 + ... + 45092773.
It is an arithmetic number, because the mean of its divisors is an integer number (1217502603).
Almost surely, 27665757045 is an apocalyptic number.
It is an amenable number.
7665757045 is a deficient number, since it is larger than the sum of its proper divisors (2074263779).
7665757045 is a wasteful number, since it uses less digits than its factorization.
7665757045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90185399.
The product of its (nonzero) digits is 6174000, while the sum is 52.
The square root of 7665757045 is about 87554.3091172559. The cubic root of 7665757045 is about 1971.7492468112.
The spelling of 7665757045 in words is "seven billion, six hundred sixty-five million, seven hundred fifty-seven thousand, forty-five".
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