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30421042304 = 27237664393
BaseRepresentation
bin11100010101001111…
…000100010010000000
32220112002120001211112
4130111033010102000
5444300241323204
621550352302452
72124601410302
oct342517042200
986462501745
1030421042304
11119a0981384
125a8bb41a28
132b3a693363
141688329972
15bd0a9726e
hex7153c4480

30421042304 has 16 divisors (see below), whose sum is σ = 60604420470. Its totient is φ = 15210521088.

The previous prime is 30421042259. The next prime is 30421042373. The reversal of 30421042304 is 40324012403.

It can be written as a sum of positive squares in only one way, i.e., 24124302400 + 6296739904 = 155320^2 + 79352^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 30421042304.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 118832069 + ... + 118832324.

Almost surely, 230421042304 is an apocalyptic number.

It is an amenable number.

30421042304 is a deficient number, since it is larger than the sum of its proper divisors (30183378166).

30421042304 is an equidigital number, since it uses as much as digits as its factorization.

30421042304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237664407 (or 237664395 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30421042304 its reverse (40324012403), we get a palindrome (70745054707).

The spelling of 30421042304 in words is "thirty billion, four hundred twenty-one million, forty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 32 64 128 237664393 475328786 950657572 1901315144 3802630288 7605260576 15210521152 30421042304