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12305350216 = 231738891149
BaseRepresentation
bin10110111010111010…
…01011111001001000
31011202120200120002201
423131131023321020
5200200132201331
65353014205544
7613636515415
oct133535137110
934676616081
1012305350216
11524505a825
1224750538b4
1312114b6923
1484a3c510c
154c0489a61
hex2dd74be48

12305350216 has 16 divisors (see below), whose sum is σ = 23205901500. Its totient is φ = 6117109824.

The previous prime is 12305350177. The next prime is 12305350217. The reversal of 12305350216 is 61205350321.

It can be written as a sum of positive squares in 2 ways, for example, as 10668824100 + 1636526116 = 103290^2 + 40454^2 .

It is a super-2 number, since 2×123053502162 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12305350217) 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, 4444191 + ... + 4446958.

Almost surely, 212305350216 is an apocalyptic number.

It is an amenable number.

12305350216 is a deficient number, since it is larger than the sum of its proper divisors (10900551284).

12305350216 is a wasteful number, since it uses less digits than its factorization.

12305350216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8891328 (or 8891324 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 12305350216 in words is "twelve billion, three hundred five million, three hundred fifty thousand, two hundred sixteen".

Divisors: 1 2 4 8 173 346 692 1384 8891149 17782298 35564596 71129192 1538168777 3076337554 6152675108 12305350216