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20143101886 = 217415784923
BaseRepresentation
bin10010110000100111…
…110101011110111110
31220222210210121010121
4102300213311132332
5312223113230021
613130440325154
71312110353365
oct226047653676
956883717117
1020143101886
1185a728a646
123aa1a737ba
131b9022cacb
14d912d67dc
157cd5d6741
hex4b09f57be

20143101886 has 8 divisors (see below), whose sum is σ = 30232012824. Its totient is φ = 10065764280.

The previous prime is 20143101863. The next prime is 20143101887. The reversal of 20143101886 is 68810134102.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20143101887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888980 + ... + 2895943.

It is an arithmetic number, because the mean of its divisors is an integer number (3779001603).

Almost surely, 220143101886 is an apocalyptic number.

20143101886 is a deficient number, since it is larger than the sum of its proper divisors (10088910938).

20143101886 is a wasteful number, since it uses less digits than its factorization.

20143101886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786666.

The product of its (nonzero) digits is 9216, while the sum is 34.

Adding to 20143101886 its reverse (68810134102), we get a palindrome (88953235988).

The spelling of 20143101886 in words is "twenty billion, one hundred forty-three million, one hundred one thousand, eight hundred eighty-six".

Divisors: 1 2 1741 3482 5784923 11569846 10071550943 20143101886