Base | Representation |
---|---|
bin | 110010111110000100100… |
… | …0010110001110010001001 |
3 | 220210200202110022102112201 |
4 | 1211330021002301302021 |
5 | 1404233214301223141 |
6 | 22522055301240201 |
7 | 1322053314166660 |
oct | 145741102616211 |
9 | 26720673272481 |
10 | 7005243382921 |
11 | 22609a8299563 |
12 | 9517b5a03061 |
13 | 3ba78ca20a84 |
14 | 1a30ac76ddd7 |
15 | c2350bce031 |
hex | 65f090b1c89 |
7005243382921 has 8 divisors (see below), whose sum is σ = 8034282165824. Its totient is φ = 5983277032080.
The previous prime is 7005243382919. The next prime is 7005243382997. The reversal of 7005243382921 is 1292833425007.
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 7005243382921 - 21 = 7005243382919 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7005243382021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1768105890 + ... + 1768109851.
It is an arithmetic number, because the mean of its divisors is an integer number (1004285270728).
Almost surely, 27005243382921 is an apocalyptic number.
It is an amenable number.
7005243382921 is a deficient number, since it is larger than the sum of its proper divisors (1029038782903).
7005243382921 is a wasteful number, since it uses less digits than its factorization.
7005243382921 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3536216031.
The product of its (nonzero) digits is 725760, while the sum is 46.
The spelling of 7005243382921 in words is "seven trillion, five billion, two hundred forty-three million, three hundred eighty-two thousand, nine hundred twenty-one".
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