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1005315005 = 5201063001
BaseRepresentation
bin111011111010111…
…110001110111101
32121001200021221002
4323322332032331
54024330040010
6243431220045
733625015352
oct7372761675
92531607832
101005315005
11476524052
12240817625
1313037b466
1497732629
155d3d11a5
hex3bebe3bd

1005315005 has 4 divisors (see below), whose sum is σ = 1206378012. Its totient is φ = 804252000.

The previous prime is 1005314993. The next prime is 1005315013. The reversal of 1005315005 is 5005135001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5005135001 = 12793913319.

It can be written as a sum of positive squares in 2 ways, for example, as 712836601 + 292478404 = 26699^2 + 17102^2 .

It is not a de Polignac number, because 1005315005 - 28 = 1005314749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100531496 + ... + 100531505.

It is an arithmetic number, because the mean of its divisors is an integer number (301594503).

Almost surely, 21005315005 is an apocalyptic number.

It is an amenable number.

1005315005 is a deficient number, since it is larger than the sum of its proper divisors (201063007).

1005315005 is an equidigital number, since it uses as much as digits as its factorization.

1005315005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201063006.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 1005315005 is about 31706.7028402513. The cubic root of 1005315005 is about 1001.7685387602.

The spelling of 1005315005 in words is "one billion, five million, three hundred fifteen thousand, five".

Divisors: 1 5 201063001 1005315005