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21233131000010 = 258611092465789
BaseRepresentation
bin1001101001111101110010…
…01110110001000011001010
32210011212102101222210120122
410310332321032301003022
510240340423014000020
6113054210555023242
74321020531413456
oct464767116610312
983155371883518
1021233131000010
116846a139a2876
12246b15873ab22
13bb0377823a57
14535990977666
1526c4c84b9125
hex134fb93b10ca

21233131000010 has 16 divisors (see below), whose sum is σ = 38219695684200. Its totient is φ = 8493239092416.

The previous prime is 21233130999973. The next prime is 21233131000019. The reversal of 21233131000010 is 1000013133212.

It can be written as a sum of positive squares in 4 ways, for example, as 18756287707609 + 2476843292401 = 4330853^2 + 1573799^2 .

It is not an unprimeable number, because it can be changed into a prime (21233131000019) by changing a digit.

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, 7378196 + ... + 9843984.

Almost surely, 221233131000010 is an apocalyptic number.

21233131000010 is a deficient number, since it is larger than the sum of its proper divisors (16986564684190).

21233131000010 is a wasteful number, since it uses less digits than its factorization.

21233131000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3326905.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21233131000010 its reverse (1000013133212), we get a palindrome (22233144133222).

The spelling of 21233131000010 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred thirty-one million, ten", and thus it is an aban number.

Divisors: 1 2 5 10 861109 1722218 2465789 4305545 4931578 8611090 12328945 24657890 2123313100001 4246626200002 10616565500005 21233131000010