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16464228722 = 2907312
BaseRepresentation
bin11110101010101100…
…00011000101110010
31120111102100110212222
433111112003011302
5232204320304342
611321421321042
71121666430554
oct172526030562
946442313788
1016464228722
116a8969a7a7
123235a06182
131724cc5496
14b228954d4
15665644ed2
hex3d5583172

16464228722 has 6 divisors (see below), whose sum is σ = 24696615279. Its totient is φ = 8232023630.

The previous prime is 16464228709. The next prime is 16464228769. The reversal of 16464228722 is 22782246461.

16464228722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8232114361 + 8232114361 = 90731^2 + 90731^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=90731.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 136097 + ... + 226827.

Almost surely, 216464228722 is an apocalyptic number.

16464228722 is a deficient number, since it is larger than the sum of its proper divisors (8232386557).

16464228722 is an frugal number, since it uses more digits than its factorization.

16464228722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181464 (or 90733 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The spelling of 16464228722 in words is "sixteen billion, four hundred sixty-four million, two hundred twenty-eight thousand, seven hundred twenty-two".

Divisors: 1 2 90731 181462 8232114361 16464228722