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3145123375120 = 245173947585911
BaseRepresentation
bin101101110001000111111…
…101100010100000010000
3102010200010001111120121101
4231301013331202200100
5403012203041000440
610404503313034144
7443141042410066
oct55610775424020
912120101446541
103145123375120
111002926174431
12429667555954
1319a7789899bc
14ac320b40036
1556c2a13c69a
hex2dc47f62810

3145123375120 has 80 divisors (see below), whose sum is σ = 7744528568448. Its totient is φ = 1183744440320.

The previous prime is 3145123375117. The next prime is 3145123375127. The reversal of 3145123375120 is 215733215413.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×31451233751203 (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3145123375120.

It is not an unprimeable number, because it can be changed into a prime (3145123375127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5074965 + ... + 5660875.

Almost surely, 23145123375120 is an apocalyptic number.

It is an amenable number.

3145123375120 is an abundant number, since it is smaller than the sum of its proper divisors (4599405193328).

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

3145123375120 is a wasteful number, since it uses less digits than its factorization.

3145123375120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589888 (or 589882 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 3145123375120 in words is "three trillion, one hundred forty-five billion, one hundred twenty-three million, three hundred seventy-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 3947 7894 15788 19735 31576 39470 63152 67099 78940 134198 157880 268396 315760 335495 536792 585911 670990 1073584 1171822 1341980 2343644 2683960 2929555 4687288 5367920 5859110 9374576 9960487 11718220 19920974 23436440 39841948 46872880 49802435 79683896 99604870 159367792 199209740 398419480 796838960 2312590717 4625181434 9250362868 11562953585 18500725736 23125907170 37001451472 39314042189 46251814340 78628084378 92503628680 157256168756 185007257360 196570210945 314512337512 393140421890 629024675024 786280843780 1572561687560 3145123375120