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102101743 is a prime number
BaseRepresentation
bin1100001010111…
…11001011101111
321010010022021001
412011133023233
5202114223433
614044221131
72346564502
oct605371357
9233108231
10102101743
11526a7607
122a23a7a7
13181cb343
14d7bb139
158e6c57d
hex615f2ef

102101743 has 2 divisors, whose sum is σ = 102101744. Its totient is φ = 102101742.

The previous prime is 102101723. The next prime is 102101749. The reversal of 102101743 is 347101201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102101743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102101743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102101749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050871 + 51050872.

It is an arithmetic number, because the mean of its divisors is an integer number (51050872).

Almost surely, 2102101743 is an apocalyptic number.

102101743 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101743 is an equidigital number, since it uses as much as digits as its factorization.

102101743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 102101743 is about 10104.5407119770. The cubic root of 102101743 is about 467.3881730871.

Adding to 102101743 its reverse (347101201), we get a palindrome (449202944).

The spelling of 102101743 in words is "one hundred two million, one hundred one thousand, seven hundred forty-three".