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16454542112 = 25618429581
BaseRepresentation
bin11110101001100010…
…00110001100100000
31120110202010100100122
433110301012030200
5232144330321422
611320433535412
71121521204661
oct172461061440
946422110318
1016454542112
116a84184038
123232714568
131722cb3468
14b21493368
1566487ed42
hex3d4c46320

16454542112 has 24 divisors (see below), whose sum is σ = 32925947292. Its totient is φ = 8092396800.

The previous prime is 16454542109. The next prime is 16454542183. The reversal of 16454542112 is 21124545461.

It can be written as a sum of positive squares in 2 ways, for example, as 15070999696 + 1383542416 = 122764^2 + 37196^2 .

It is a super-2 number, since 2×164545421122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4212839 + ... + 4216742.

Almost surely, 216454542112 is an apocalyptic number.

It is an amenable number.

16454542112 is an abundant number, since it is smaller than the sum of its proper divisors (16471405180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16454542112 is an equidigital number, since it uses as much as digits as its factorization.

16454542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8429652 (or 8429644 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The spelling of 16454542112 in words is "sixteen billion, four hundred fifty-four million, five hundred forty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 8429581 16859162 33718324 67436648 134873296 269746592 514204441 1028408882 2056817764 4113635528 8227271056 16454542112