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2828472442020 = 2232561325634153
BaseRepresentation
bin101001001010001110000…
…110000101110010100100
3101000101210002220111201100
4221022032012011302210
5332320202421121040
610003214324400100
7411231120033111
oct51121606056244
911011702814640
102828472442020
119a0603a566a5
12398215846030
13176954285274
149ac82425908
154d895c58b30
hex2928e185ca4

2828472442020 has 72 divisors (see below), whose sum is σ = 8593696323576. Its totient is φ = 753028849152.

The previous prime is 2828472442009. The next prime is 2828472442049. The reversal of 2828472442020 is 202442748282.

2828472442020 is a `hidden beast` number, since 2 + 82 + 84 + 72 + 4 + 420 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 307312792164 + 2521159649856 = 554358^2 + 1587816^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12706737 + ... + 12927416.

It is an arithmetic number, because the mean of its divisors is an integer number (119356893383).

Almost surely, 22828472442020 is an apocalyptic number.

2828472442020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828472442020 is an abundant number, since it is smaller than the sum of its proper divisors (5765223881556).

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

2828472442020 is a wasteful number, since it uses less digits than its factorization.

2828472442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25634781 (or 25634776 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 45.

The spelling of 2828472442020 in words is "two trillion, eight hundred twenty-eight billion, four hundred seventy-two million, four hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 613 1226 1839 2452 3065 3678 5517 6130 7356 9195 11034 12260 18390 22068 27585 36780 55170 110340 25634153 51268306 76902459 102536612 128170765 153804918 230707377 256341530 307609836 384512295 461414754 512683060 769024590 922829508 1153536885 1538049180 2307073770 4614147540 15713735789 31427471578 47141207367 62854943156 78568678945 94282414734 141423622101 157137357890 188564829468 235706036835 282847244202 314274715780 471412073670 565694488404 707118110505 942824147340 1414236221010 2828472442020