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4878780705 = 325128384503
BaseRepresentation
bin1001000101100110…
…00100100100100001
3110121000021201221200
410202303010210201
534442431440310
62124041111413
7231620644311
oct44263044441
913530251850
104878780705
112083a43177
12b41a88569
135c99c89b6
14343d49441
151d84ae9c0
hex122cc4921

4878780705 has 24 divisors (see below), whose sum is σ = 8463244608. Its totient is φ = 2599957536.

The previous prime is 4878780703. The next prime is 4878780719. The reversal of 4878780705 is 5070878784.

4878780705 is a `hidden beast` number, since 487 + 87 + 80 + 7 + 0 + 5 = 666.

It is not a de Polignac number, because 4878780705 - 21 = 4878780703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4878780701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15484 + ... + 99986.

It is an arithmetic number, because the mean of its divisors is an integer number (352635192).

Almost surely, 24878780705 is an apocalyptic number.

4878780705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4878780705 is a deficient number, since it is larger than the sum of its proper divisors (3584463903).

4878780705 is a wasteful number, since it uses less digits than its factorization.

4878780705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85797 (or 85794 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 54.

The square root of 4878780705 is about 69848.2691625211. The cubic root of 4878780705 is about 1696.0439388434.

The spelling of 4878780705 in words is "four billion, eight hundred seventy-eight million, seven hundred eighty thousand, seven hundred five".

Divisors: 1 3 5 9 15 45 1283 3849 6415 11547 19245 57735 84503 253509 422515 760527 1267545 3802635 108417349 325252047 542086745 975756141 1626260235 4878780705