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2001320030 = 25557335911
BaseRepresentation
bin111011101001001…
…1011100001011110
312011110211120222002
41313102123201132
513044314220110
6530331122302
7100410640163
oct16722334136
95143746862
102001320030
119377693a6
1247a2a3392
1325b81a148
1414db2006a
15baa73aa5
hex7749b85e

2001320030 has 16 divisors (see below), whose sum is σ = 3603122784. Its totient is φ = 800362080.

The previous prime is 2001320021. The next prime is 2001320033. The reversal of 2001320030 is 300231002.

It is a junction number, because it is equal to n+sod(n) for n = 2001319993 and 2001320020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001320033) 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, 37775 + ... + 73685.

It is an arithmetic number, because the mean of its divisors is an integer number (225195174).

Almost surely, 22001320030 is an apocalyptic number.

2001320030 is a deficient number, since it is larger than the sum of its proper divisors (1601802754).

2001320030 is a wasteful number, since it uses less digits than its factorization.

2001320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41491.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2001320030 is about 44736.1154996721. The cubic root of 2001320030 is about 1260.1981778649.

Adding to 2001320030 its reverse (300231002), we get a palindrome (2301551032).

The spelling of 2001320030 in words is "two billion, one million, three hundred twenty thousand, thirty".

Divisors: 1 2 5 10 5573 11146 27865 35911 55730 71822 179555 359110 200132003 400264006 1000660015 2001320030