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30173731348 = 2247491326881
BaseRepresentation
bin11100000110011111…
…101001101000010100
32212212212012100222111
4130012133221220110
5443243433400343
621510035440404
72115506325145
oct340637515024
985785170874
1030173731348
1111884314a62
125a21156104
132acb382907
14166354dacc
15bb8ee4c9d
hex7067e9a14

30173731348 has 24 divisors (see below), whose sum is σ = 54037517184. Its totient is φ = 14735750400.

The previous prime is 30173731339. The next prime is 30173731381. The reversal of 30173731348 is 84313737103.

It is a super-2 number, since 2×301737313482 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30173731348.

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, 71133 + ... + 255748.

It is an arithmetic number, because the mean of its divisors is an integer number (2251563216).

Almost surely, 230173731348 is an apocalyptic number.

It is an amenable number.

30173731348 is a deficient number, since it is larger than the sum of its proper divisors (23863785836).

30173731348 is a wasteful number, since it uses less digits than its factorization.

30173731348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327423 (or 327421 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 30173731348 in words is "thirty billion, one hundred seventy-three million, seven hundred thirty-one thousand, three hundred forty-eight".

Divisors: 1 2 4 47 94 188 491 982 1964 23077 46154 92308 326881 653762 1307524 15363407 30726814 61453628 160498571 320997142 641994284 7543432837 15086865674 30173731348