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12300102305 = 519141128521
BaseRepresentation
bin10110111010010010…
…01010101010100001
31011202012210221022122
423131021022222201
5200142311233210
65352305514025
7613544100401
oct133511125241
934665727278
1012300102305
1152420a5a07
122473342915
13121039a05a
1484981a801
154bec9eb55
hex2dd24aaa1

12300102305 has 8 divisors (see below), whose sum is σ = 14761008744. Its totient is φ = 9839491200.

The previous prime is 12300102301. The next prime is 12300102317. The reversal of 12300102305 is 50320100321.

It can be written as a sum of positive squares in 4 ways, for example, as 1702635169 + 10597467136 = 41263^2 + 102944^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12300102305 - 22 = 12300102301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12300102301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31445 + ... + 159965.

It is an arithmetic number, because the mean of its divisors is an integer number (1845126093).

Almost surely, 212300102305 is an apocalyptic number.

It is an amenable number.

12300102305 is a deficient number, since it is larger than the sum of its proper divisors (2460906439).

12300102305 is a wasteful number, since it uses less digits than its factorization.

12300102305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147667.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 12300102305 its reverse (50320100321), we get a palindrome (62620202626).

The spelling of 12300102305 in words is "twelve billion, three hundred million, one hundred two thousand, three hundred five".

Divisors: 1 5 19141 95705 128521 642605 2460020461 12300102305