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21232332110120 = 2351731224017809
BaseRepresentation
bin1001101001111100010011…
…00111001111100100101000
32210011210100201201222200012
410310332021213033210220
510240332304010010440
6113053555420031052
74320661661102435
oct464761147174450
983153321658605
1021232332110120
116846643a4aa9a
12246ab75092488
13bb027b16c241
1453591681ab8c
1526c47d2b0e65
hex134f899cf928

21232332110120 has 32 divisors (see below), whose sum is σ = 50582908852200. Its totient is φ = 7993348558848.

The previous prime is 21232332110083. The next prime is 21232332110131. The reversal of 21232332110120 is 2101123323212.

It can be written as a sum of positive squares in 4 ways, for example, as 21112168660804 + 120163449316 = 4594798^2 + 346646^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15612008225 + ... + 15612009584.

Almost surely, 221232332110120 is an apocalyptic number.

21232332110120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21232332110120 is an abundant number, since it is smaller than the sum of its proper divisors (29350576742080).

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

21232332110120 is a wasteful number, since it uses less digits than its factorization.

21232332110120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31224017837 (or 31224017833 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21232332110120 its reverse (2101123323212), we get a palindrome (23333455433332).

The spelling of 21232332110120 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty-two million, one hundred ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 31224017809 62448035618 124896071236 156120089045 249792142472 312240178090 530808302753 624480356180 1061616605506 1248960712360 2123233211012 2654041513765 4246466422024 5308083027530 10616166055060 21232332110120