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4128376320 = 29325593037
BaseRepresentation
bin1111011000010010…
…0000011000000000
3101122201021020122200
43312010200120000
531423331020240
61521353233200
7204206422365
oct36604403000
911581236580
104128376320
1118293a7262
12972702800
1350a3bc133
142b241046c
15192682930
hexf6120600

4128376320 has 240 divisors, whose sum is σ = 14544850320. Its totient is φ = 1081884672.

The previous prime is 4128376303. The next prime is 4128376327. The reversal of 4128376320 is 236738214.

It is a happy number.

4128376320 is a `hidden beast` number, since 4 + 12 + 8 + 3 + 7 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128376327) 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, 1357842 + ... + 1360878.

It is an arithmetic number, because the mean of its divisors is an integer number (60603543).

Almost surely, 24128376320 is an apocalyptic number.

4128376320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4128376320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7272425160).

4128376320 is an abundant number, since it is smaller than the sum of its proper divisors (10416474000).

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

4128376320 is a wasteful number, since it uses less digits than its factorization.

4128376320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 4128376320 is about 64252.4421325758. The cubic root of 4128376320 is about 1604.2046077839.

The spelling of 4128376320 in words is "four billion, one hundred twenty-eight million, three hundred seventy-six thousand, three hundred twenty".