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101680063 = 831225061
BaseRepresentation
bin1100000111110…
…00001110111111
321002022212211021
412003320032333
5202012230223
614031205011
72343160222
oct603701677
9232285737
10101680063
1152439811
122a076767
13180b1424
14d70b5b9
158dd765d
hex60f83bf

101680063 has 4 divisors (see below), whose sum is σ = 102905208. Its totient is φ = 100454920.

The previous prime is 101679997. The next prime is 101680087. The reversal of 101680063 is 360086101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360086101 = 2711328731.

It is a cyclic number.

It is not a de Polignac number, because 101680063 - 217 = 101548991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101680363) 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, 612448 + ... + 612613.

It is an arithmetic number, because the mean of its divisors is an integer number (25726302).

Almost surely, 2101680063 is an apocalyptic number.

101680063 is a deficient number, since it is larger than the sum of its proper divisors (1225145).

101680063 is an equidigital number, since it uses as much as digits as its factorization.

101680063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225144.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 101680063 is about 10083.6532566327. The cubic root of 101680063 is about 466.7438478353.

The spelling of 101680063 in words is "one hundred one million, six hundred eighty thousand, sixty-three".

Divisors: 1 83 1225061 101680063