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30964442938 = 21113313492493
BaseRepresentation
bin11100110101100111…
…111110011100111010
32221220222001200100221
4130311213332130322
51001403344133223
622120323250254
72144220264562
oct346547763472
987828050327
1030964442938
111214a691310
126001b1998a
132bc6132ab0
1416da57bda2
15c13634b5d
hex7359fe73a

30964442938 has 32 divisors (see below), whose sum is σ = 56326943232. Its totient is φ = 12572971200.

The previous prime is 30964442933. The next prime is 30964442941. The reversal of 30964442938 is 83924446903.

It is not an unprimeable number, because it can be changed into a prime (30964442933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737381 + ... + 1755112.

It is an arithmetic number, because the mean of its divisors is an integer number (1760216976).

Almost surely, 230964442938 is an apocalyptic number.

30964442938 is a deficient number, since it is larger than the sum of its proper divisors (25362500294).

30964442938 is a wasteful number, since it uses less digits than its factorization.

30964442938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492550.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 30964442938 in words is "thirty billion, nine hundred sixty-four million, four hundred forty-two thousand, nine hundred thirty-eight".

Divisors: 1 2 11 13 22 26 31 62 143 286 341 403 682 806 4433 8866 3492493 6984986 38417423 45402409 76834846 90804818 108267283 216534566 499426499 998852998 1190940113 1407474679 2381880226 2814949358 15482221469 30964442938