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101664083 = 432364281
BaseRepresentation
bin1100000111101…
…00010101010011
321002022001220102
412003310111103
5202011222313
614031003015
72343062513
oct603642523
9232261812
10101664083
1152428804
122a06946b
13180a7081
14d705843
158dd2a58
hex60f4553

101664083 has 4 divisors (see below), whose sum is σ = 104028408. Its totient is φ = 99299760.

The previous prime is 101664061. The next prime is 101664103. The reversal of 101664083 is 380466101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380466101 = 419279661.

It is a cyclic number.

It is not a de Polignac number, because 101664083 - 26 = 101664019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101664583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182098 + ... + 1182183.

It is an arithmetic number, because the mean of its divisors is an integer number (26007102).

Almost surely, 2101664083 is an apocalyptic number.

101664083 is a deficient number, since it is larger than the sum of its proper divisors (2364325).

101664083 is an equidigital number, since it uses as much as digits as its factorization.

101664083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364324.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 101664083 is about 10082.8608539442. The cubic root of 101664083 is about 466.7193954592.

The spelling of 101664083 in words is "one hundred one million, six hundred sixty-four thousand, eighty-three".

Divisors: 1 43 2364281 101664083