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7155052112 = 2413213716097
BaseRepresentation
bin1101010100111100…
…10110111001010000
3200110122111022022002
412222132112321100
5104123143131422
63141553333132
7342210640145
oct65236267120
920418438262
107155052112
11304192760a
1214782671a8
138a0483560
144bc39c3cc
152bd245692
hex1aa796e50

7155052112 has 40 divisors (see below), whose sum is σ = 14937205416. Its totient is φ = 3300581376.

The previous prime is 7155052109. The next prime is 7155052127. The reversal of 7155052112 is 2112505517.

It can be written as a sum of positive squares in 4 ways, for example, as 17505856 + 7137546256 = 4184^2 + 84484^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 436448 + ... + 452544.

Almost surely, 27155052112 is an apocalyptic number.

It is an amenable number.

7155052112 is an abundant number, since it is smaller than the sum of its proper divisors (7782153304).

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

7155052112 is a wasteful number, since it uses less digits than its factorization.

7155052112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255 (or 18249 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 7155052112 is about 84587.5411156986. The cubic root of 7155052112 is about 1926.9521647352.

Adding to 7155052112 its reverse (2112505517), we get a palindrome (9267557629).

The spelling of 7155052112 in words is "seven billion, one hundred fifty-five million, fifty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 52 104 208 2137 4274 8548 16097 17096 27781 32194 34192 55562 64388 111124 128776 209261 222248 257552 418522 444496 837044 1674088 3348176 34399289 68798578 137597156 275194312 447190757 550388624 894381514 1788763028 3577526056 7155052112