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3112323130220 = 2251362711419693
BaseRepresentation
bin101101010010100100111…
…010100010001101101100
3102000112110011001111101012
4231102210322202031230
5401443014210131340
610341440450004352
7440600161052663
oct55224472421554
912015404044335
103112323130220
11a9aa242a5a17
124232328766b8
1319764c410075
14aa8cc849dda
1555e5a77b565
hex2d4a4ea236c

3112323130220 has 24 divisors (see below), whose sum is σ = 6536358772944. Its totient is φ = 1244837785536.

The previous prime is 3112323130207. The next prime is 3112323130223. The reversal of 3112323130220 is 220313232113.

It is not an unprimeable number, because it can be changed into a prime (3112323130223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5437307 + ... + 5982386.

It is an arithmetic number, because the mean of its divisors is an integer number (272348282206).

Almost surely, 23112323130220 is an apocalyptic number.

It is an amenable number.

3112323130220 is an abundant number, since it is smaller than the sum of its proper divisors (3424035642724).

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

3112323130220 is a wasteful number, since it uses less digits than its factorization.

3112323130220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433329 (or 11433327 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 3112323130220 its reverse (220313232113), we get a palindrome (3332636362333).

The spelling of 3112323130220 in words is "three trillion, one hundred twelve billion, three hundred twenty-three million, one hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 13627 27254 54508 68135 136270 272540 11419693 22839386 45678772 57098465 114196930 228393860 155616156511 311232313022 622464626044 778080782555 1556161565110 3112323130220