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71298789005 = 533594245239
BaseRepresentation
bin100001001100110111…
…1010010111010001101
320211000221020202110002
41002121233102322031
52132004442222010
652430524254045
75102564464343
oct1023157227215
9224027222402
1071298789005
1128268342514
12119999a1325
13695354a362
1436452dd993
151cc46621a5
hex1099bd2e8d

71298789005 has 8 divisors (see below), whose sum is σ = 85584038400. Its totient is φ = 57022036816.

The previous prime is 71298788993. The next prime is 71298789007. The reversal of 71298789005 is 50098789217.

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 71298789005 - 210 = 71298787981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71298789007) 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, 2105825 + ... + 2139414.

It is an arithmetic number, because the mean of its divisors is an integer number (10698004800).

Almost surely, 271298789005 is an apocalyptic number.

It is an amenable number.

71298789005 is a deficient number, since it is larger than the sum of its proper divisors (14285249395).

71298789005 is a wasteful number, since it uses less digits than its factorization.

71298789005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248603.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 71298789005 in words is "seventy-one billion, two hundred ninety-eight million, seven hundred eighty-nine thousand, five".

Divisors: 1 5 3359 16795 4245239 21226195 14259757801 71298789005