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30523958290 = 2574331007059
BaseRepresentation
bin11100011011010111…
…101010010000010010
32220210021012202000201
4130123113222100102
51000003113131130
622004510205414
72130261236020
oct343327522022
986707182021
1030523958290
1111a43a84711
125aba4b386a
132b55ab81a7
141697c79710
15bd9b25bca
hex71b5ea412

30523958290 has 32 divisors (see below), whose sum is σ = 62937221760. Its totient is φ = 10441177344.

The previous prime is 30523958279. The next prime is 30523958317. The reversal of 30523958290 is 9285932503.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 30523958290.

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 15 ways as a sum of consecutive naturals, for example, 473220 + ... + 533839.

It is an arithmetic number, because the mean of its divisors is an integer number (1966788180).

Almost surely, 230523958290 is an apocalyptic number.

30523958290 is an abundant number, since it is smaller than the sum of its proper divisors (32413263470).

30523958290 is a wasteful number, since it uses less digits than its factorization.

30523958290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007506.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 30523958290 in words is "thirty billion, five hundred twenty-three million, nine hundred fifty-eight thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 433 866 2165 3031 4330 6062 15155 30310 1007059 2014118 5035295 7049413 10070590 14098826 35247065 70494130 436056547 872113094 2180282735 3052395829 4360565470 6104791658 15261979145 30523958290