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1320213112 = 232572832269
BaseRepresentation
bin100111010110000…
…1101101001111000
310102000012202220221
41032230031221320
510200433304422
6335000425424
744500424551
oct11654155170
93360182827
101320213112
11618253719
1230a178274
131806943ba
14c74a3328
157ad843c7
hex4eb0da78

1320213112 has 32 divisors (see below), whose sum is σ = 2494911600. Its totient is φ = 654925824.

The previous prime is 1320213101. The next prime is 1320213211. The reversal of 1320213112 is 2113120231.

It is a super-2 number, since 2×13202131122 = 3485925322193449088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580714 + ... + 582982.

Almost surely, 21320213112 is an apocalyptic number.

It is an amenable number.

1320213112 is a deficient number, since it is larger than the sum of its proper divisors (1174698488).

1320213112 is a wasteful number, since it uses less digits than its factorization.

1320213112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2811 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1320213112 is about 36334.7369881770. The cubic root of 1320213112 is about 1097.0203415570.

Adding to 1320213112 its reverse (2113120231), we get a palindrome (3433333343).

The spelling of 1320213112 in words is "one billion, three hundred twenty million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 257 283 514 566 1028 1132 2056 2264 2269 4538 9076 18152 72731 145462 290924 581848 583133 642127 1166266 1284254 2332532 2568508 4665064 5137016 165026639 330053278 660106556 1320213112