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12308200418303 = 25149036655053
BaseRepresentation
bin1011001100011011100111…
…1010011110101111111111
31121120122121122112112122222
42303012321322132233333
53103124143301341203
642102150442355555
72410144452234056
oct263067172365777
947518548475588
1012308200418303
113a15973297809
1214694b34bbbbb
136b38734340ca
14307a11c7939d
151652704b8038
hexb31b9e9ebff

12308200418303 has 4 divisors (see below), whose sum is σ = 12357237073608. Its totient is φ = 12259163763000.

The previous prime is 12308200418251. The next prime is 12308200418309. The reversal of 12308200418303 is 30381400280321.

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 12308200418303 - 28 = 12308200418047 is a prime.

It is a super-2 number, since 2×123082004183032 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308200418309) 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, 24518327276 + ... + 24518327777.

It is an arithmetic number, because the mean of its divisors is an integer number (3089309268402).

Almost surely, 212308200418303 is an apocalyptic number.

12308200418303 is a deficient number, since it is larger than the sum of its proper divisors (49036655305).

12308200418303 is an equidigital number, since it uses as much as digits as its factorization.

12308200418303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49036655304.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 12308200418303 its reverse (30381400280321), we get a palindrome (42689600698624).

The spelling of 12308200418303 in words is "twelve trillion, three hundred eight billion, two hundred million, four hundred eighteen thousand, three hundred three".

Divisors: 1 251 49036655053 12308200418303