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5780128000 = 2853180629
BaseRepresentation
bin1010110001000010…
…11100000100000000
3112220211022220222211
411120201130010000
543314203044000
62353320111504
7263144164063
oct53041340400
915824286884
105780128000
1124a6805799
121153905594
137116746aa
143cb9368da
1523c6a57ba
hex15885c100

5780128000 has 72 divisors (see below), whose sum is σ = 14399101080. Its totient is φ = 2312038400.

The previous prime is 5780127979. The next prime is 5780128001. The reversal of 5780128000 is 8210875.

It can be written as a sum of positive squares in 4 ways, for example, as 175509504 + 5604618496 = 13248^2 + 74864^2 .

It is not an unprimeable number, because it can be changed into a prime (5780128001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58315 + ... + 122314.

It is an arithmetic number, because the mean of its divisors is an integer number (199987515).

Almost surely, 25780128000 is an apocalyptic number.

5780128000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5780128000 is an abundant number, since it is smaller than the sum of its proper divisors (8618973080).

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

5780128000 is an equidigital number, since it uses as much as digits as its factorization.

5780128000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180660 (or 180636 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 5780128000 is about 76027.1530441592. The cubic root of 5780128000 is about 1794.6474738531.

Adding to 5780128000 its reverse (8210875), we get a palindrome (5788338875).

It can be divided in two parts, 5780 and 128000, that multiplied together give a square (739840000 = 272002).

The spelling of 5780128000 in words is "five billion, seven hundred eighty million, one hundred twenty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 640 800 1000 1280 1600 2000 3200 4000 6400 8000 16000 32000 180629 361258 722516 903145 1445032 1806290 2890064 3612580 4515725 5780128 7225160 9031450 11560256 14450320 18062900 22578625 23120512 28900640 36125800 45157250 46241024 57801280 72251600 90314500 115602560 144503200 180629000 231205120 289006400 361258000 578012800 722516000 1156025600 1445032000 2890064000 5780128000