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20083618175625 = 3254597532
BaseRepresentation
bin1001001000100000101001…
…11011010101101010001001
32122002222022212210221112100
410210100110323111222021
510113022222223110000
6110414141541504013
74141664531545314
oct444202473255211
978088285727470
1020083618175625
116443461977004
12230440b112009
13b28b52bc0874
144d60a375797b
1524c64ad06a00
hex124414ed5a89

20083618175625 has 45 divisors (see below), whose sum is σ = 36251091186739. Its totient is φ = 10711083768000.

The previous prime is 20083618175623. The next prime is 20083618175639. The reversal of 20083618175625 is 52657181638002.

The square root of 20083618175625 is 4481475.

It is a perfect power (a square), and thus also a powerful number.

20083618175625 is a `hidden beast` number, since 2 + 0 + 0 + 8 + 3 + 6 + 1 + 8 + 1 + 7 + 5 + 625 = 666.

It can be written as a sum of positive squares in 7 ways, for example, as 12803593960521 + 7280024215104 = 3578211^2 + 2698152^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 20083618175625 - 21 = 20083618175623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20083618175623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 336080749 + ... + 336140501.

Almost surely, 220083618175625 is an apocalyptic number.

20083618175625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20083618175625 is the 4481475-th square number.

20083618175625 is the 2240738-th centered octagonal number.

It is an amenable number.

20083618175625 is a deficient number, since it is larger than the sum of its proper divisors (16167473011114).

20083618175625 is an frugal number, since it uses more digits than its factorization.

20083618175625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119532 (or 59761 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 20083618175625 in words is "twenty trillion, eighty-three billion, six hundred eighteen million, one hundred seventy-five thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 125 225 375 625 1125 1875 5625 59753 179259 298765 537777 896295 1493825 2688885 4481475 7469125 13444425 22407375 37345625 67222125 112036875 336110625 3570421009 10711263027 17852105045 32133789081 53556315135 89260525225 160668945405 267781575675 446302626125 803344727025 1338907878375 2231513130625 4016723635125 6694539391875 20083618175625