Base | Representation |
---|---|
bin | 10011110010111101110010… |
… | …011001001000101100001111 |
3 | 102102021100111120110122002202 |
4 | 103302331302121020230033 |
5 | 42402434013004432124 |
6 | 505101111251112115 |
7 | 24224152564631606 |
oct | 2362756231105417 |
9 | 372240446418082 |
10 | 87065201249039 |
11 | 25818165357972 |
12 | 992199b8a263b |
13 | 39772a067a280 |
14 | 176dd9a36aa3d |
15 | a0eb742e65ae |
hex | 4f2f72648b0f |
87065201249039 has 32 divisors (see below), whose sum is σ = 97144323192000. Its totient is φ = 77518947824640.
The previous prime is 87065201249003. The next prime is 87065201249051. The reversal of 87065201249039 is 93094210256078.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-87065201249039 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 (87065201249069) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13867937 + ... + 19142885.
It is an arithmetic number, because the mean of its divisors is an integer number (3035760099750).
It is a 1-persistent number, because it is pandigital, but 2⋅87065201249039 = 174130402498078 is not.
Almost surely, 287065201249039 is an apocalyptic number.
87065201249039 is a deficient number, since it is larger than the sum of its proper divisors (10079121942961).
87065201249039 is a wasteful number, since it uses less digits than its factorization.
87065201249039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5275355.
The product of its (nonzero) digits is 6531840, while the sum is 56.
The spelling of 87065201249039 in words is "eighty-seven trillion, sixty-five billion, two hundred one million, two hundred forty-nine thousand, thirty-nine".
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