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101808983 is a prime number
BaseRepresentation
bin1100001000101…
…11101101010111
321002120102200002
412010113231113
5202030341413
614034041515
72344235123
oct604275527
9232512602
10101808983
1152517661
122a11929b
1318128003
14d742583
158e10958
hex6117b57

101808983 has 2 divisors, whose sum is σ = 101808984. Its totient is φ = 101808982.

The previous prime is 101808953. The next prime is 101808989. The reversal of 101808983 is 389808101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101808983 - 28 = 101808727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101808989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50904491 + 50904492.

It is an arithmetic number, because the mean of its divisors is an integer number (50904492).

Almost surely, 2101808983 is an apocalyptic number.

101808983 is a deficient number, since it is larger than the sum of its proper divisors (1).

101808983 is an equidigital number, since it uses as much as digits as its factorization.

101808983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 101808983 is about 10090.0437560994. The cubic root of 101808983 is about 466.9410258008.

The spelling of 101808983 in words is "one hundred one million, eight hundred eight thousand, nine hundred eighty-three".