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1232113302020 = 2251711332069581
BaseRepresentation
bin10001111011011111101…
…011001111101000000100
311100210022002112212201202
4101323133223033220010
5130141332001131040
62342005224042032
7155005626160166
oct21733753175004
94323262485652
101232113302020
11435599924217
1217a960303318
138c259747473
14438c54c2936
15220b4108015
hex11edfacfa04

1232113302020 has 48 divisors (see below), whose sum is σ = 2763884855088. Its totient is φ = 459749498880.

The previous prime is 1232113301983. The next prime is 1232113302083. The reversal of 1232113302020 is 202033112321.

It can be written as a sum of positive squares in 8 ways, for example, as 343135865284 + 888977436736 = 585778^2 + 942856^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1232113301983 and 1232113302001.

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 15 ways as a sum of consecutive naturals, for example, 15996371 + ... + 16073210.

It is an arithmetic number, because the mean of its divisors is an integer number (57580934481).

Almost surely, 21232113302020 is an apocalyptic number.

1232113302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232113302020 is an abundant number, since it is smaller than the sum of its proper divisors (1531771553068).

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

1232113302020 is a wasteful number, since it uses less digits than its factorization.

1232113302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32069720 (or 32069718 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1232113302020 its reverse (202033112321), we get a palindrome (1434146414341).

The spelling of 1232113302020 in words is "one trillion, two hundred thirty-two billion, one hundred thirteen million, three hundred two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 113 170 226 340 452 565 1130 1921 2260 3842 7684 9605 19210 38420 32069581 64139162 128278324 160347905 320695810 545182877 641391620 1090365754 2180731508 2725914385 3623862653 5451828770 7247725306 10903657540 14495450612 18119313265 36238626530 61605665101 72477253060 123211330202 246422660404 308028325505 616056651010 1232113302020