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7005243382921 = 72833536215741
BaseRepresentation
bin110010111110000100100…
…0010110001110010001001
3220210200202110022102112201
41211330021002301302021
51404233214301223141
622522055301240201
71322053314166660
oct145741102616211
926720673272481
107005243382921
1122609a8299563
129517b5a03061
133ba78ca20a84
141a30ac76ddd7
15c2350bce031
hex65f090b1c89

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".

Divisors: 1 7 283 1981 3536215741 24753510187 1000749054703 7005243382921