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102103124213 = 760713422259
BaseRepresentation
bin101111100010111010…
…0100000100011110101
3100202112202001010022002
41133011310200203311
53133101344433323
6114523332145045
710243132143656
oct1370564404365
9322482033262
10102103124213
113a335608492
1217956168185
13982245263c
144d284c152d
1529c8bbc828
hex17c5d208f5

102103124213 has 4 divisors (see below), whose sum is σ = 102116554080. Its totient is φ = 102089694348.

The previous prime is 102103124191. The next prime is 102103124231. The reversal of 102103124213 is 312421301201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312421301201 = 1916443226379.

It is a cyclic number.

It is not a de Polignac number, because 102103124213 - 216 = 102103058677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102103124713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6703523 + ... + 6718736.

It is an arithmetic number, because the mean of its divisors is an integer number (25529138520).

Almost surely, 2102103124213 is an apocalyptic number.

It is an amenable number.

102103124213 is a deficient number, since it is larger than the sum of its proper divisors (13429867).

102103124213 is an equidigital number, since it uses as much as digits as its factorization.

102103124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13429866.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102103124213 its reverse (312421301201), we get a palindrome (414524425414).

The spelling of 102103124213 in words is "one hundred two billion, one hundred three million, one hundred twenty-four thousand, two hundred thirteen".

Divisors: 1 7607 13422259 102103124213