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2728443195 = 3252341113569
BaseRepresentation
bin1010001010100000…
…1011110100111011
321001011001021102200
42202220023310323
521041440140240
61130424001243
7124420245612
oct24250136473
97034037380
102728443195
111180153835
12641900223
13346364c3a
141bc518879
1510e802930
hexa2a0bd3b

2728443195 has 96 divisors (see below), whose sum is σ = 5108987520. Its totient is φ = 1343569920.

The previous prime is 2728443131. The next prime is 2728443229. The reversal of 2728443195 is 5913448272.

2728443195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2728443195 - 26 = 2728443131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2728443195.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4794871 + ... + 4795439.

It is an arithmetic number, because the mean of its divisors is an integer number (53218620).

Almost surely, 22728443195 is an apocalyptic number.

2728443195 is a deficient number, since it is larger than the sum of its proper divisors (2380544325).

2728443195 is a wasteful number, since it uses less digits than its factorization.

2728443195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757 (or 754 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 2728443195 is about 52234.5019599115. The cubic root of 2728443195 is about 1397.3492691930.

It can be divided in two parts, 272844319 and 5, that added together give a square (272844324 = 165182).

The spelling of 2728443195 in words is "two billion, seven hundred twenty-eight million, four hundred forty-three thousand, one hundred ninety-five".

Divisors: 1 3 5 9 15 23 41 45 69 113 115 123 205 207 339 345 369 565 569 615 943 1017 1035 1695 1707 1845 2599 2829 2845 4633 4715 5085 5121 7797 8487 8535 12995 13087 13899 14145 23165 23329 23391 25605 38985 39261 41697 42435 64297 65435 69495 69987 106559 116645 116955 117783 192891 196305 208485 209961 319677 321485 349935 532795 536567 578673 588915 959031 964455 1049805 1478831 1598385 1609701 2636177 2682835 2893365 4436493 4795155 4829103 7394155 7908531 8048505 13180885 13309479 22182465 23725593 24145515 39542655 60632071 66547395 118627965 181896213 303160355 545688639 909481065 2728443195