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3133411220 = 2251946717657
BaseRepresentation
bin1011101011000100…
…0000111110010100
322002101001210010102
42322301000332110
522404123124340
61234531513232
7140435361452
oct27261007624
98071053112
103133411220
111368802255
12735458818
133ac2258a4
1421a2139d2
15135148215
hexbac40f94

3133411220 has 48 divisors (see below), whose sum is σ = 6941712960. Its totient is φ = 1184788224.

The previous prime is 3133411199. The next prime is 3133411243. The reversal of 3133411220 is 221143313.

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 = 3133411192 and 3133411201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168632 + ... + 186288.

It is an arithmetic number, because the mean of its divisors is an integer number (144619020).

Almost surely, 23133411220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3133411220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3470856480).

3133411220 is an abundant number, since it is smaller than the sum of its proper divisors (3808301740).

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

3133411220 is a wasteful number, since it uses less digits than its factorization.

3133411220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18152 (or 18150 counting only the distinct ones).

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

The square root of 3133411220 is about 55976.8811206912. The cubic root of 3133411220 is about 1463.3194036803.

Adding to 3133411220 its reverse (221143313), we get a palindrome (3354554533).

The spelling of 3133411220 in words is "three billion, one hundred thirty-three million, four hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 467 934 1868 2335 4670 8873 9340 17657 17746 35314 35492 44365 70628 88285 88730 176570 177460 335483 353140 670966 1341932 1677415 3354830 6709660 8245819 16491638 32983276 41229095 82458190 156670561 164916380 313341122 626682244 783352805 1566705610 3133411220