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2001363380 = 225382126189
BaseRepresentation
bin111011101001010…
…0110000110110100
312011110220210102122
41313102212012310
513044322112010
6530332055112
7100411210442
oct16722460664
95143823378
102001363380
11937798a25
1247a304498
1325b833ab3
1414db31b92
15baa81855
hex774a61b4

2001363380 has 24 divisors (see below), whose sum is σ = 4204123560. Its totient is φ = 800305280.

The previous prime is 2001363361. The next prime is 2001363391. The reversal of 2001363380 is 833631002.

It can be written as a sum of positive squares in 4 ways, for example, as 883397284 + 1117966096 = 29722^2 + 33436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63326 + ... + 89514.

It is an arithmetic number, because the mean of its divisors is an integer number (175171815).

Almost surely, 22001363380 is an apocalyptic number.

2001363380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001363380 is an abundant number, since it is smaller than the sum of its proper divisors (2202760180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001363380 is a wasteful number, since it uses less digits than its factorization.

2001363380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30019 (or 30017 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2001363380 is about 44736.6000049177. The cubic root of 2001363380 is about 1260.2072767256.

Adding to 2001363380 its reverse (833631002), we get a palindrome (2834994382).

The spelling of 2001363380 in words is "two billion, one million, three hundred sixty-three thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 3821 7642 15284 19105 26189 38210 52378 76420 104756 130945 261890 523780 100068169 200136338 400272676 500340845 1000681690 2001363380