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3133219880 = 235711190071
BaseRepresentation
bin1011101011000001…
…0010010000101000
322002100201001122202
42322300102100220
522404101014010
61234523435332
7140433633560
oct27260222050
98070631582
103133219880
11136869151a
12735385b48
133ac18977b
1421a1a3da0
1513510b6a5
hexbac12428

3133219880 has 32 divisors (see below), whose sum is σ = 8056851840. Its totient is φ = 1074246720.

The previous prime is 3133219861. The next prime is 3133219883. The reversal of 3133219880 is 889123313.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3133219883) 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, 5594756 + ... + 5595315.

It is an arithmetic number, because the mean of its divisors is an integer number (251776620).

Almost surely, 23133219880 is an apocalyptic number.

It is an amenable number.

3133219880 is an abundant number, since it is smaller than the sum of its proper divisors (4923631960).

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

3133219880 is a wasteful number, since it uses less digits than its factorization.

3133219880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190089 (or 11190085 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3133219880 is about 55975.1719961627. The cubic root of 3133219880 is about 1463.2896174809.

The spelling of 3133219880 in words is "three billion, one hundred thirty-three million, two hundred nineteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 11190071 22380142 44760284 55950355 78330497 89520568 111900710 156660994 223801420 313321988 391652485 447602840 626643976 783304970 1566609940 3133219880