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30227203985 = 511886761981
BaseRepresentation
bin11100001001101011…
…101000011110010001
32220000120211001122112
4130021223220132101
5443401131011420
621515225515105
72120025665066
oct341153503621
986016731575
1030227203985
1111901517820
125a37042a95
132b09485824
14166a6acc6d
15bbda588c5
hex709ae8791

30227203985 has 16 divisors (see below), whose sum is σ = 39575259072. Its totient is φ = 21980587200.

The previous prime is 30227203967. The next prime is 30227203997. The reversal of 30227203985 is 58930272203.

It is not a de Polignac number, because 30227203985 - 26 = 30227203921 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 456695 + ... + 518675.

It is an arithmetic number, because the mean of its divisors is an integer number (2473453692).

Almost surely, 230227203985 is an apocalyptic number.

It is an amenable number.

30227203985 is a deficient number, since it is larger than the sum of its proper divisors (9348055087).

30227203985 is a wasteful number, since it uses less digits than its factorization.

30227203985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70864.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 30227203985 in words is "thirty billion, two hundred twenty-seven million, two hundred three thousand, nine hundred eighty-five".

Divisors: 1 5 11 55 8867 44335 61981 97537 309905 487685 681791 3408955 549585527 2747927635 6045440797 30227203985