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30743543952 = 24331123833389
BaseRepresentation
bin11100101000011101…
…010100000010010000
32221100120101211221000
4130220131110002100
51000430321401302
622042352502000
72135565545322
oct345035240220
987316354830
1030743543952
1112046a24670
125b5bb4a900
132b8c43c134
1416b90b9612
15bee04d31c
hex728754090

30743543952 has 320 divisors, whose sum is σ = 101693491200. Its totient is φ = 8801210880.

The previous prime is 30743543947. The next prime is 30743543953. The reversal of 30743543952 is 25934534703.

30743543952 is a `hidden beast` number, since 30 + 74 + 3 + 543 + 9 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 30743543898 and 30743543907.

It is not an unprimeable number, because it can be changed into a prime (30743543953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9069874 + ... + 9073262.

It is an arithmetic number, because the mean of its divisors is an integer number (317792160).

Almost surely, 230743543952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30743543952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50846745600).

30743543952 is an abundant number, since it is smaller than the sum of its proper divisors (70949947248).

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

30743543952 is a wasteful number, since it uses less digits than its factorization.

30743543952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523 (or 3511 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 45.

The spelling of 30743543952 in words is "thirty billion, seven hundred forty-three million, five hundred forty-three thousand, nine hundred fifty-two".