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1375745768 = 231959315263
BaseRepresentation
bin101001000000000…
…0011011011101000
310112212201010101222
41102000003123220
510304142331033
6344303001212
746043434415
oct12200033350
93485633358
101375745768
11646633181
12324899208
1318c038b67
14d09db10c
1580ba3598
hex520036e8

1375745768 has 32 divisors (see below), whose sum is σ = 2720044800. Its totient is φ = 650527488.

The previous prime is 1375745731. The next prime is 1375745797. The reversal of 1375745768 is 8675475731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82505 + ... + 97767.

It is an arithmetic number, because the mean of its divisors is an integer number (85001400).

Almost surely, 21375745768 is an apocalyptic number.

It is an amenable number.

1375745768 is a deficient number, since it is larger than the sum of its proper divisors (1344299032).

1375745768 is a wasteful number, since it uses less digits than its factorization.

1375745768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15881 (or 15877 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 53.

The square root of 1375745768 is about 37091.0470059825. The cubic root of 1375745768 is about 1112.1910481231.

The spelling of 1375745768 in words is "one billion, three hundred seventy-five million, seven hundred forty-five thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 19 38 76 152 593 1186 2372 4744 11267 15263 22534 30526 45068 61052 90136 122104 289997 579994 1159988 2319976 9050959 18101918 36203836 72407672 171968221 343936442 687872884 1375745768