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2001802002 = 231272126227
BaseRepresentation
bin111011101010001…
…0001001100010010
312011111202002002220
41313110101030102
513044430131002
6530345321510
7100415015304
oct16724211422
95144662086
102001802002
11937a68522
1247a496296
1325b958635
1414dc07974
15bab1b7bc
hex77511312

2001802002 has 16 divisors (see below), whose sum is σ = 4004071392. Its totient is φ = 667189440.

The previous prime is 2001801979. The next prime is 2001802027. The reversal of 2001802002 is 2002081002.

It is a super-2 number, since 2×20018020022 = 8014422510422416008, which contains 22 as substring.

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, 63213 + ... + 89439.

It is an arithmetic number, because the mean of its divisors is an integer number (250254462).

Almost surely, 22001802002 is an apocalyptic number.

2001802002 is an abundant number, since it is smaller than the sum of its proper divisors (2002269390).

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

2001802002 is a wasteful number, since it uses less digits than its factorization.

2001802002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38953.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2001802002 is about 44741.5020087614. The cubic root of 2001802002 is about 1260.2993330151.

Adding to 2001802002 its reverse (2002081002), we get a palindrome (4003883004).

The spelling of 2001802002 in words is "two billion, one million, eight hundred two thousand, two".

Divisors: 1 2 3 6 12721 25442 26227 38163 52454 76326 78681 157362 333633667 667267334 1000901001 2001802002