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102030011 = 764913339
BaseRepresentation
bin1100001010011…
…01101010111011
321002222122212022
412011031222323
5202104430021
614042505055
72346145406
oct605155273
9232878768
10102030011
1152658726
122a20518b
13181a47b5
14d79cd3d
158e561ab
hex614dabb

102030011 has 4 divisors (see below), whose sum is σ = 102051000. Its totient is φ = 102009024.

The previous prime is 102030007. The next prime is 102030059. The reversal of 102030011 is 110030201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102030011 - 22 = 102030007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102030611) 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, 980 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (25512750).

Almost surely, 2102030011 is an apocalyptic number.

102030011 is a deficient number, since it is larger than the sum of its proper divisors (20989).

102030011 is an equidigital number, since it uses as much as digits as its factorization.

102030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20988.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 102030011 is about 10100.9905949862. The cubic root of 102030011 is about 467.2786922824.

Adding to 102030011 its reverse (110030201), we get a palindrome (212060212).

The spelling of 102030011 in words is "one hundred two million, thirty thousand, eleven".

Divisors: 1 7649 13339 102030011