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1005013145 = 51009119919
BaseRepresentation
bin111011111001110…
…100100010011001
32121001002221212002
4323321310202121
54024240410040
6243420530345
733622320323
oct7371644231
92531087762
101005013145
11476338284
122406b09b5
131302a3c46
1497694613
155d371a15
hex3be74899

1005013145 has 8 divisors (see below), whose sum is σ = 1206195840. Its totient is φ = 803890480.

The previous prime is 1005013133. The next prime is 1005013169. The reversal of 1005013145 is 5413105001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1005013145 - 216 = 1004947609 is a prime.

It is an unprimeable number.

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, 40496 + ... + 60414.

It is an arithmetic number, because the mean of its divisors is an integer number (150774480).

Almost surely, 21005013145 is an apocalyptic number.

It is an amenable number.

1005013145 is a deficient number, since it is larger than the sum of its proper divisors (201182695).

1005013145 is a wasteful number, since it uses less digits than its factorization.

1005013145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30015.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1005013145 is about 31701.9422906547. The cubic root of 1005013145 is about 1001.6682636820.

Adding to 1005013145 its reverse (5413105001), we get a palindrome (6418118146).

The spelling of 1005013145 in words is "one billion, five million, thirteen thousand, one hundred forty-five".

Divisors: 1 5 10091 19919 50455 99595 201002629 1005013145