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16461243484 = 2271938380789
BaseRepresentation
bin11110101010010101…
…01010010001011100
31120111012201210220121
433111022222101130
5232203034242414
611321233324324
71121632155340
oct172512522134
946435653817
1016461243484
116a87a40964
123234a066a4
1317244bb77a
14b22319620
15665255724
hex3d52aa45c

16461243484 has 48 divisors (see below), whose sum is σ = 34746163200. Its totient is φ = 6665979456.

The previous prime is 16461243433. The next prime is 16461243527. The reversal of 16461243484 is 48434216461.

16461243484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16461243484.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 163362 + ... + 244150.

It is an arithmetic number, because the mean of its divisors is an integer number (723878400).

Almost surely, 216461243484 is an apocalyptic number.

16461243484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16461243484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17373081600).

16461243484 is an abundant number, since it is smaller than the sum of its proper divisors (18284919716).

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

16461243484 is a wasteful number, since it uses less digits than its factorization.

16461243484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81202 (or 81200 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The spelling of 16461243484 in words is "sixteen billion, four hundred sixty-one million, two hundred forty-three thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 383 532 766 1532 2681 5362 7277 10724 14554 29108 50939 80789 101878 161578 203756 323156 565523 1131046 1534991 2262092 3069982 6139964 10744937 21489874 30942187 42979748 61884374 123768748 216595309 433190618 587901553 866381236 1175803106 2351606212 4115310871 8230621742 16461243484