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3132301221220 = 225156615061061
BaseRepresentation
bin101101100101001011101…
…100111001110101100100
3102002110000110100200010111
4231211023230321311210
5402304423103034340
610354543113502404
7442205226040153
oct55451354716544
912073013320114
103132301221220
11aa8446420426
12427089411a04
131994b43b66a2
14ab865c6b59a
155672961aaea
hex2d94bb39d64

3132301221220 has 12 divisors (see below), whose sum is σ = 6577832564604. Its totient is φ = 1252920488480.

The previous prime is 3132301221149. The next prime is 3132301221241. The reversal of 3132301221220 is 221221032313.

It can be written as a sum of positive squares in 2 ways, for example, as 1485965876004 + 1646335345216 = 1219002^2 + 1283096^2 .

It is a super-2 number, since 2×31323012212202 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3132301221191 and 3132301221200.

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 3 ways as a sum of consecutive naturals, for example, 78307530511 + ... + 78307530550.

It is an arithmetic number, because the mean of its divisors is an integer number (548152713717).

Almost surely, 23132301221220 is an apocalyptic number.

It is an amenable number.

3132301221220 is an abundant number, since it is smaller than the sum of its proper divisors (3445531343384).

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

3132301221220 is a wasteful number, since it uses less digits than its factorization.

3132301221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156615061070 (or 156615061068 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3132301221220 its reverse (221221032313), we get a palindrome (3353522253533).

The spelling of 3132301221220 in words is "three trillion, one hundred thirty-two billion, three hundred one million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 156615061061 313230122122 626460244244 783075305305 1566150610610 3132301221220