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16953640955 = 54772143153
BaseRepresentation
bin11111100101000010…
…00000011111111011
31121202112021012020222
433302201000133323
5234210113002310
611442143210255
71140061366436
oct176241003773
947675235228
1016953640955
11720a985419
1233518a698b
1317a2511314
14b6b89281d
156935bb055
hex3f28407fb

16953640955 has 8 divisors (see below), whose sum is σ = 20777228352. Its totient is φ = 13274339968.

The previous prime is 16953640909. The next prime is 16953640987. The reversal of 16953640955 is 55904635961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16953640955 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16953640897 and 16953640906.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36071342 + ... + 36071811.

It is an arithmetic number, because the mean of its divisors is an integer number (2597153544).

Almost surely, 216953640955 is an apocalyptic number.

16953640955 is a deficient number, since it is larger than the sum of its proper divisors (3823587397).

16953640955 is an equidigital number, since it uses as much as digits as its factorization.

16953640955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72143205.

The product of its (nonzero) digits is 4374000, while the sum is 53.

The spelling of 16953640955 in words is "sixteen billion, nine hundred fifty-three million, six hundred forty thousand, nine hundred fifty-five".

Divisors: 1 5 47 235 72143153 360715765 3390728191 16953640955