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12432215216 = 24777013451
BaseRepresentation
bin10111001010000010…
…01000110010110000
31012002102101222011102
423211001020302300
5200430121341331
65413345303532
7620040041261
oct134501106260
935072358142
1012432215216
1152aa730333
1224ab634ba8
131231875485
1485d1aa968
154cb6994cb
hex2e5048cb0

12432215216 has 10 divisors (see below), whose sum is σ = 24087417012. Its totient is φ = 6216107600.

The previous prime is 12432215207. The next prime is 12432215219. The reversal of 12432215216 is 61251223421.

It is not an unprimeable number, because it can be changed into a prime (12432215219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388506710 + ... + 388506741.

Almost surely, 212432215216 is an apocalyptic number.

12432215216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12432215216 is a deficient number, since it is larger than the sum of its proper divisors (11655201796).

12432215216 is an equidigital number, since it uses as much as digits as its factorization.

12432215216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777013459 (or 777013453 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 12432215216 its reverse (61251223421), we get a palindrome (73683438637).

The spelling of 12432215216 in words is "twelve billion, four hundred thirty-two million, two hundred fifteen thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 777013451 1554026902 3108053804 6216107608 12432215216