Base | Representation |
---|---|
bin | 10010101000011001… |
… | …00101101111111111 |
3 | 221211002111201101222 |
4 | 21110030211233333 |
5 | 130441121133322 |
6 | 4332312423555 |
7 | 502605012026 |
oct | 112414455777 |
9 | 27732451358 |
10 | 10002521087 |
11 | 4273187159 |
12 | 1b319a7bbb |
13 | c35390b40 |
14 | 6ac61b8bd |
15 | 3d8209e42 |
hex | 254325bff |
10002521087 has 8 divisors (see below), whose sum is σ = 10772936496. Its totient is φ = 9232247232.
The previous prime is 10002521077. The next prime is 10002521119. The reversal of 10002521087 is 78012520001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10002521087 - 24 = 10002521071 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 (10002521057) 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, 145748 + ... + 203094.
It is an arithmetic number, because the mean of its divisors is an integer number (1346617062).
Almost surely, 210002521087 is an apocalyptic number.
10002521087 is a deficient number, since it is larger than the sum of its proper divisors (770415409).
10002521087 is a wasteful number, since it uses less digits than its factorization.
10002521087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70777.
The product of its (nonzero) digits is 1120, while the sum is 26.
The spelling of 10002521087 in words is "ten billion, two million, five hundred twenty-one thousand, eighty-seven".
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