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4747680468 = 2232131880013
BaseRepresentation
bin1000110101111101…
…11101101011010100
3110020212121011020100
410122332331223110
534210401233333
62103035134100
7225436422006
oct43276755324
913225534210
104747680468
112016a3a673
12b05ba4330
135a87b64ab
14330780376
151cbc15213
hex11afbdad4

4747680468 has 18 divisors (see below), whose sum is σ = 12001081274. Its totient is φ = 1582560144.

The previous prime is 4747680467. The next prime is 4747680523. The reversal of 4747680468 is 8640867474.

It can be written as a sum of positive squares in only one way, i.e., 4648239684 + 99440784 = 68178^2 + 9972^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4747680467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65939971 + ... + 65940042.

Almost surely, 24747680468 is an apocalyptic number.

It is an amenable number.

4747680468 is an abundant number, since it is smaller than the sum of its proper divisors (7253400806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4747680468 is a wasteful number, since it uses less digits than its factorization.

4747680468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131880023 (or 131880018 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 54.

The square root of 4747680468 is about 68903.4140518451. The cubic root of 4747680468 is about 1680.7140374616.

The spelling of 4747680468 in words is "four billion, seven hundred forty-seven million, six hundred eighty thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 131880013 263760026 395640039 527520052 791280078 1186920117 1582560156 2373840234 4747680468