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1005013345 = 5728714667
BaseRepresentation
bin111011111001110…
…100100101100001
32121001002222010111
4323321310211201
54024240411340
6243420531321
733622321030
oct7371644541
92531088114
101005013345
11476338446
122406b0b41
131302a406b
1497694717
155d371aea
hex3be74961

1005013345 has 8 divisors (see below), whose sum is σ = 1378304064. Its totient is φ = 689151984.

The previous prime is 1005013343. The next prime is 1005013367. The reversal of 1005013345 is 5433105001.

It is a happy number.

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 1005013345 - 21 = 1005013343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005013343) 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 7 ways as a sum of consecutive naturals, for example, 14357299 + ... + 14357368.

It is an arithmetic number, because the mean of its divisors is an integer number (172288008).

Almost surely, 21005013345 is an apocalyptic number.

It is an amenable number.

1005013345 is a deficient number, since it is larger than the sum of its proper divisors (373290719).

1005013345 is an equidigital number, since it uses as much as digits as its factorization.

1005013345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28714679.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1005013345 is about 31701.9454450354. The cubic root of 1005013345 is about 1001.6683301268.

Adding to 1005013345 its reverse (5433105001), we get a palindrome (6438118346).

The spelling of 1005013345 in words is "one billion, five million, thirteen thousand, three hundred forty-five".

Divisors: 1 5 7 35 28714667 143573335 201002669 1005013345