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2006513688 = 233312696927
BaseRepresentation
bin111011110011000…
…1111100000011000
312011211121110022210
41313212033200120
513102131414223
6531034315120
7100503041064
oct16746174030
95154543283
102006513688
1193a696483
1247bb88aa0
1325c91810a
141506b2aa4
15bb24c893
hex7798f818

2006513688 has 32 divisors (see below), whose sum is σ = 5178101760. Its totient is φ = 647262240.

The previous prime is 2006513681. The next prime is 2006513699. The reversal of 2006513688 is 8863156002.

It is a happy number.

2006513688 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20065136882 = 8052194360262722688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006513681) 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, 1347720 + ... + 1349207.

It is an arithmetic number, because the mean of its divisors is an integer number (161815680).

Almost surely, 22006513688 is an apocalyptic number.

It is an amenable number.

2006513688 is an abundant number, since it is smaller than the sum of its proper divisors (3171588072).

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

2006513688 is a wasteful number, since it uses less digits than its factorization.

2006513688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696967 (or 2696963 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2006513688 is about 44794.1255970021. The cubic root of 2006513688 is about 1261.2873564548.

The spelling of 2006513688 in words is "two billion, six million, five hundred thirteen thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 2696927 5393854 8090781 10787708 16181562 21575416 32363124 64726248 83604737 167209474 250814211 334418948 501628422 668837896 1003256844 2006513688