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16948960505 = 57094781089
BaseRepresentation
bin11111100100011110…
…01001110011111001
31121202012110101212222
433302033021303321
5234202413214010
611441455013425
71140003534011
oct176217116371
947665411788
1016948960505
117208278984
12335020a275
1317a1562b19
14b6add4c41
15692e94355
hex3f23c9cf9

16948960505 has 8 divisors (see below), whose sum is σ = 20367443400. Its totient is φ = 13540041216.

The previous prime is 16948960417. The next prime is 16948960519. The reversal of 16948960505 is 50506984961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 526794304 + 16422166201 = 22952^2 + 128149^2 .

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-16948960505 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2387000 + ... + 2394089.

It is an arithmetic number, because the mean of its divisors is an integer number (2545930425).

Almost surely, 216948960505 is an apocalyptic number.

It is an amenable number.

16948960505 is a deficient number, since it is larger than the sum of its proper divisors (3418482895).

16948960505 is an equidigital number, since it uses as much as digits as its factorization.

16948960505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781803.

The product of its (nonzero) digits is 2332800, while the sum is 53.

The spelling of 16948960505 in words is "sixteen billion, nine hundred forty-eight million, nine hundred sixty thousand, five hundred five".

Divisors: 1 5 709 3545 4781089 23905445 3389792101 16948960505