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4905109663 = 14293432547
BaseRepresentation
bin1001001000101111…
…00000100010011111
3110122211211101111021
410210113200202133
540021202002123
62130421305011
7232360513156
oct44427404237
913584741437
104905109663
112097896543
12b4a865167
136022b6a6c
1434764059d
151da960c5d
hex1245e089f

4905109663 has 4 divisors (see below), whose sum is σ = 4908543640. Its totient is φ = 4901675688.

The previous prime is 4905109639. The next prime is 4905109679. The reversal of 4905109663 is 3669015094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3669015094 = 21834507547.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4905109663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4905109063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1714845 + ... + 1717702.

It is an arithmetic number, because the mean of its divisors is an integer number (1227135910).

Almost surely, 24905109663 is an apocalyptic number.

4905109663 is a deficient number, since it is larger than the sum of its proper divisors (3433977).

4905109663 is a wasteful number, since it uses less digits than its factorization.

4905109663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433976.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 4905109663 is about 70036.4880829986. The cubic root of 4905109663 is about 1699.0894388968.

The spelling of 4905109663 in words is "four billion, nine hundred five million, one hundred nine thousand, six hundred sixty-three".

Divisors: 1 1429 3432547 4905109663