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2669916505 = 51894728183
BaseRepresentation
bin1001111100100011…
…1011000101011001
320220001220210220111
42133020323011121
520431444312010
61120533324321
7123106626064
oct23710730531
96801823814
102669916505
111150109873
126261966a1
133371b2769
141b48418db
151095e158a
hex9f23b159

2669916505 has 8 divisors (see below), whose sum is σ = 3204182592. Its totient is φ = 2135744688.

The previous prime is 2669916497. The next prime is 2669916511. The reversal of 2669916505 is 5056199662.

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

It is a cyclic number.

It is not a de Polignac number, because 2669916505 - 23 = 2669916497 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 80644 + ... + 108826.

It is an arithmetic number, because the mean of its divisors is an integer number (400522824).

Almost surely, 22669916505 is an apocalyptic number.

It is an amenable number.

2669916505 is a deficient number, since it is larger than the sum of its proper divisors (534266087).

2669916505 is a wasteful number, since it uses less digits than its factorization.

2669916505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47135.

The product of its (nonzero) digits is 874800, while the sum is 49.

The square root of 2669916505 is about 51671.2347926774. The cubic root of 2669916505 is about 1387.2856480275.

The spelling of 2669916505 in words is "two billion, six hundred sixty-nine million, nine hundred sixteen thousand, five hundred five".

Divisors: 1 5 18947 28183 94735 140915 533983301 2669916505