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2001889342 = 21230181371
BaseRepresentation
bin111011101010010…
…0110100000111110
312011111220111220201
41313110212200332
513044440424332
6530351234114
7100415531035
oct16724464076
95144814821
102001889342
11938018102
1247a51893a
1325b98930b
1414dc2b71c
15bab375e7
hex7752683e

2001889342 has 8 divisors (see below), whose sum is σ = 3003115032. Its totient is φ = 1000851000.

The previous prime is 2001889339. The next prime is 2001889361. The reversal of 2001889342 is 2439881002.

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

It is a super-2 number, since 2×20018893422 = 8015121875226385928, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 16084 + ... + 65287.

It is an arithmetic number, because the mean of its divisors is an integer number (375389379).

Almost surely, 22001889342 is an apocalyptic number.

2001889342 is a deficient number, since it is larger than the sum of its proper divisors (1001225690).

2001889342 is a wasteful number, since it uses less digits than its factorization.

2001889342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93674.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2001889342 is about 44742.4780493884. The cubic root of 2001889342 is about 1260.3176619911.

The spelling of 2001889342 in words is "two billion, one million, eight hundred eighty-nine thousand, three hundred forty-two".

Divisors: 1 2 12301 24602 81371 162742 1000944671 2001889342