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10742320745 = 513241685753
BaseRepresentation
bin10100000000100101…
…01100111001101001
31000201122120102202022
422000102230321221
5134000013230440
64533541114225
7530130135242
oct120022547151
930648512668
1010742320745
11461283a632
1220b96b8975
131022726810
1473c995cc9
1542d13ecb5
hex2804ace69

10742320745 has 16 divisors (see below), whose sum is σ = 13940007312. Its totient is φ = 7899863040.

The previous prime is 10742320727. The next prime is 10742320777. The reversal of 10742320745 is 54702324701.

It can be written as a sum of positive squares in 8 ways, for example, as 621155929 + 10121164816 = 24923^2 + 100604^2 .

It is a de Polignac number, because none of the positive numbers 2k-10742320745 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327212 + ... + 358541.

It is an arithmetic number, because the mean of its divisors is an integer number (871250457).

Almost surely, 210742320745 is an apocalyptic number.

It is an amenable number.

10742320745 is a deficient number, since it is larger than the sum of its proper divisors (3197686567).

10742320745 is a wasteful number, since it uses less digits than its factorization.

10742320745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686012.

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 10742320745 in words is "ten billion, seven hundred forty-two million, three hundred twenty thousand, seven hundred forty-five".

Divisors: 1 5 13 65 241 1205 3133 15665 685753 3428765 8914789 44573945 165266473 826332365 2148464149 10742320745