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670807394369 = 729197285147
BaseRepresentation
bin10011100001011110011…
…11001000100001000001
32101010110201110101012222
421300233033020201001
541442303143104434
61232055322300425
766315142526060
oct11605717104101
92333421411188
10670807394369
11239540316a42
12aa010057715
134b3454465b8
14246781cc1d7
15126b12b672e
hex9c2f3c8841

670807394369 has 24 divisors (see below), whose sum is σ = 797128328640. Its totient is φ = 552326435136.

The previous prime is 670807394357. The next prime is 670807394429. The reversal of 670807394369 is 963493708076.

It is not a de Polignac number, because 670807394369 - 24 = 670807394353 is a prime.

It is a super-2 number, since 2×6708073943692 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670807394329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7835654 + ... + 7920800.

It is an arithmetic number, because the mean of its divisors is an integer number (33213680360).

Almost surely, 2670807394369 is an apocalyptic number.

It is an amenable number.

670807394369 is a deficient number, since it is larger than the sum of its proper divisors (126320934271).

670807394369 is an equidigital number, since it uses as much as digits as its factorization.

670807394369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85577 (or 85380 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 62.

The spelling of 670807394369 in words is "six hundred seventy billion, eight hundred seven million, three hundred ninety-four thousand, three hundred sixty-nine".

Divisors: 1 7 29 197 203 1379 5713 38809 39991 85147 271663 596029 1125461 2469263 7878227 16773959 17284841 117417713 486444811 3304469923 3405113677 23131289461 95829627767 670807394369