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4787006661 = 33199331397
BaseRepresentation
bin1000111010101001…
…11110110011000101
3110100121121010122000
410131110332303011
534300433203121
62111002055513
7226424612433
oct43524766305
913317533560
104787006661
11203715aa58
12b171aa599
135b39a5428
14335a99d53
151d03d2526
hex11d53ecc5

4787006661 has 16 divisors (see below), whose sum is σ = 7465118400. Its totient is φ = 3023372304.

The previous prime is 4787006641. The next prime is 4787006677. The reversal of 4787006661 is 1666007874.

It is not a de Polignac number, because 4787006661 - 27 = 4787006533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4787006621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4665186 + ... + 4666211.

It is an arithmetic number, because the mean of its divisors is an integer number (466569900).

Almost surely, 24787006661 is an apocalyptic number.

It is an amenable number.

4787006661 is a deficient number, since it is larger than the sum of its proper divisors (2678111739).

4787006661 is a wasteful number, since it uses less digits than its factorization.

4787006661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331425 (or 9331419 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 4787006661 is about 69188.1974111192. The cubic root of 4787006661 is about 1685.3418708924.

The spelling of 4787006661 in words is "four billion, seven hundred eighty-seven million, six thousand, six hundred sixty-one".

Divisors: 1 3 9 19 27 57 171 513 9331397 27994191 83982573 177296543 251947719 531889629 1595668887 4787006661