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4128805344 = 25343008389
BaseRepresentation
bin1111011000011000…
…1001000111100000
3101122202002001011110
43312012021013200
531423433232334
61521410343320
7204213160236
oct36606110740
911582061143
104128805344
11182966a624
1297288ab40
1350a50c4b1
142b24c2956
15192719ae9
hexf61891e0

4128805344 has 24 divisors (see below), whose sum is σ = 10838114280. Its totient is φ = 1376268416.

The previous prime is 4128805327. The next prime is 4128805397. The reversal of 4128805344 is 4435088214.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21504099 + ... + 21504290.

It is an arithmetic number, because the mean of its divisors is an integer number (451588095).

Almost surely, 24128805344 is an apocalyptic number.

It is an amenable number.

4128805344 is an abundant number, since it is smaller than the sum of its proper divisors (6709308936).

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

4128805344 is a wasteful number, since it uses less digits than its factorization.

4128805344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43008402 (or 43008394 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 4128805344 is about 64255.7806271156. The cubic root of 4128805344 is about 1604.2601759124.

The spelling of 4128805344 in words is "four billion, one hundred twenty-eight million, eight hundred five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 43008389 86016778 129025167 172033556 258050334 344067112 516100668 688134224 1032201336 1376268448 2064402672 4128805344