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17680000002 = 237420952381
BaseRepresentation
bin10000011101110011…
…110110010000000010
31200122011001001112220
4100131303312100002
5242202040000002
612042211431510
71164061343340
oct203563662002
950564031486
1017680000002
117552998755
123514bb5596
131889b4c382
14bda12c990
156d72487bc
hex41dcf6402

17680000002 has 16 divisors (see below), whose sum is σ = 40411428672. Its totient is φ = 5051428560.

The previous prime is 17679999989. The next prime is 17680000007. The reversal of 17680000002 is 20000008671.

It is not an unprimeable number, because it can be changed into a prime (17680000007) 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, 210476149 + ... + 210476232.

It is an arithmetic number, because the mean of its divisors is an integer number (2525714292).

Almost surely, 217680000002 is an apocalyptic number.

17680000002 is an abundant number, since it is smaller than the sum of its proper divisors (22731428670).

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

17680000002 is a wasteful number, since it uses less digits than its factorization.

17680000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420952393.

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 17680000002 its reverse (20000008671), we get a palindrome (37680008673).

The spelling of 17680000002 in words is "seventeen billion, six hundred eighty million, two", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 42 420952381 841904762 1262857143 2525714286 2946666667 5893333334 8840000001 17680000002