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102660511 is a prime number
BaseRepresentation
bin1100001111001…
…11100110011111
321011011200202011
412013213212133
5202240114021
614104212051
72354412532
oct607474637
9234150664
10102660511
1152a493a8
122a46a027
1318365785
14d8c4a19
15902cde1
hex61e799f

102660511 has 2 divisors, whose sum is σ = 102660512. Its totient is φ = 102660510.

The previous prime is 102660487. The next prime is 102660587. The reversal of 102660511 is 115066201.

It is a weak prime.

It is an emirp because it is prime and its reverse (115066201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102660511 is a prime.

It is a super-2 number, since 2×1026605112 = 21078361037562242, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102660611) 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, 51330255 + 51330256.

It is an arithmetic number, because the mean of its divisors is an integer number (51330256).

Almost surely, 2102660511 is an apocalyptic number.

102660511 is a deficient number, since it is larger than the sum of its proper divisors (1).

102660511 is an equidigital number, since it uses as much as digits as its factorization.

102660511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 102660511 is about 10132.1523379783. The cubic root of 102660511 is about 468.2392410977.

The spelling of 102660511 in words is "one hundred two million, six hundred sixty thousand, five hundred eleven".