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102122323013 = 136497482037
BaseRepresentation
bin101111100011011110…
…1101111110001000101
3100202121002011112002202
41133012331233301011
53133121303314023
6114525255444245
710243454265104
oct1370675576105
9322532145082
10102122323013
113a345430867
1217960686685
139826415189
144d2ac7c03b
1529ca711128
hex17c6f6fc45

102122323013 has 4 divisors (see below), whose sum is σ = 102129818700. Its totient is φ = 102114827328.

The previous prime is 102122322947. The next prime is 102122323021. The reversal of 102122323013 is 310323221201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60815012449 + 41307310564 = 246607^2 + 203242^2 .

It is a cyclic number.

It is not a de Polignac number, because 102122323013 - 216 = 102122257477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102122323213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3727370 + ... + 3754667.

It is an arithmetic number, because the mean of its divisors is an integer number (25532454675).

Almost surely, 2102122323013 is an apocalyptic number.

It is an amenable number.

102122323013 is a deficient number, since it is larger than the sum of its proper divisors (7495687).

102122323013 is an equidigital number, since it uses as much as digits as its factorization.

102122323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495686.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102122323013 its reverse (310323221201), we get a palindrome (412445544214).

The spelling of 102122323013 in words is "one hundred two billion, one hundred twenty-two million, three hundred twenty-three thousand, thirteen".

Divisors: 1 13649 7482037 102122323013