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3142143220 = 225678926347
BaseRepresentation
bin1011101101001001…
…0100110011110100
322002222111102011211
42323102110303310
522413342040340
61235443011204
7140602530256
oct27322246364
98088442154
103142143220
111372726787
12738369b04
133b0c92258
1421b447cd6
15135cc05ea
hexbb494cf4

3142143220 has 48 divisors (see below), whose sum is σ = 6772489920. Its totient is φ = 1224140544.

The previous prime is 3142143211. The next prime is 3142143223. The reversal of 3142143220 is 223412413.

It is a junction number, because it is equal to n+sod(n) for n = 3142143191 and 3142143200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142143223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106087 + ... + 132433.

It is an arithmetic number, because the mean of its divisors is an integer number (141093540).

Almost surely, 23142143220 is an apocalyptic number.

It is an amenable number.

3142143220 is an abundant number, since it is smaller than the sum of its proper divisors (3630346700).

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

3142143220 is a wasteful number, since it uses less digits than its factorization.

3142143220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26512 (or 26510 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3142143220 is about 56054.8233428668. The cubic root of 3142143220 is about 1464.6774394972.

Adding to 3142143220 its reverse (223412413), we get a palindrome (3365555633).

The spelling of 3142143220 in words is "three billion, one hundred forty-two million, one hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 89 134 178 268 335 356 445 670 890 1340 1780 5963 11926 23852 26347 29815 52694 59630 105388 119260 131735 263470 526940 1765249 2344883 3530498 4689766 7060996 8826245 9379532 11724415 17652490 23448830 35304980 46897660 157107161 314214322 628428644 785535805 1571071610 3142143220