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445405434313 = 7151421386409
BaseRepresentation
bin1100111101101000011…
…10111001000111001001
31120120200001220102101011
412132310032321013021
524244142242344223
6540341052123521
744115363503350
oct6366416710711
91516601812334
10445405434313
11161993835224
12723a54665a1
1333003544438
14177b460c997
15b8bcc2080d
hex67b43b91c9

445405434313 has 8 divisors (see below), whose sum is σ = 512405874560. Its totient is φ = 379247767200.

The previous prime is 445405434311. The next prime is 445405434317. The reversal of 445405434313 is 313434504544.

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 445405434313 - 21 = 445405434311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445405434311) 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, 210692148 + ... + 210694261.

It is an arithmetic number, because the mean of its divisors is an integer number (64050734320).

Almost surely, 2445405434313 is an apocalyptic number.

It is an amenable number.

445405434313 is a deficient number, since it is larger than the sum of its proper divisors (67000440247).

445405434313 is a wasteful number, since it uses less digits than its factorization.

445405434313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421386567.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 445405434313 its reverse (313434504544), we get a palindrome (758839938857).

The spelling of 445405434313 in words is "four hundred forty-five billion, four hundred five million, four hundred thirty-four thousand, three hundred thirteen".

Divisors: 1 7 151 1057 421386409 2949704863 63629347759 445405434313