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102003144011 = 149368320927
BaseRepresentation
bin101111011111111011…
…1000111010101001011
3100202021202220121020122
41132333313013111023
53132400301102021
6114505401213455
710240506263336
oct1367767072513
9322252817218
10102003144011
113a29412a91a
121792879128b
139807817b62
144d190d761d
1529c001dbab
hex17bfdc754b

102003144011 has 4 divisors (see below), whose sum is σ = 102071466432. Its totient is φ = 101934821592.

The previous prime is 102003143999. The next prime is 102003144037. The reversal of 102003144011 is 110441300201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110441300201 = 532083798117.

It is a cyclic number.

It is not a de Polignac number, because 102003144011 - 218 = 102002881867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102003144041) 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, 34158971 + ... + 34161956.

It is an arithmetic number, because the mean of its divisors is an integer number (25517866608).

Almost surely, 2102003144011 is an apocalyptic number.

102003144011 is a deficient number, since it is larger than the sum of its proper divisors (68322421).

102003144011 is an equidigital number, since it uses as much as digits as its factorization.

102003144011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68322420.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102003144011 its reverse (110441300201), we get a palindrome (212444444212).

The spelling of 102003144011 in words is "one hundred two billion, three million, one hundred forty-four thousand, eleven".

Divisors: 1 1493 68320927 102003144011