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2168752312 = 23318744969
BaseRepresentation
bin1000000101000100…
…1000100010111000
312121010220000212201
42001101020202320
513420200033222
6555111515544
7104513043016
oct20121104270
95533800781
102168752312
11a13227791
12506388bb4
132874107bc
141680658b6
15ca5e8427
hex814488b8

2168752312 has 16 divisors (see below), whose sum is σ = 4197585600. Its totient is φ = 1049396160.

The previous prime is 2168752307. The next prime is 2168752351. The reversal of 2168752312 is 2132578612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4372237 + ... + 4372732.

It is an arithmetic number, because the mean of its divisors is an integer number (262349100).

Almost surely, 22168752312 is an apocalyptic number.

It is an amenable number.

2168752312 is a deficient number, since it is larger than the sum of its proper divisors (2028833288).

2168752312 is a wasteful number, since it uses less digits than its factorization.

2168752312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745006 (or 8745002 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 2168752312 is about 46569.8648484189. The cubic root of 2168752312 is about 1294.4044133929.

The spelling of 2168752312 in words is "two billion, one hundred sixty-eight million, seven hundred fifty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 31 62 124 248 8744969 17489938 34979876 69959752 271094039 542188078 1084376156 2168752312