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30215242054125 = 325337725891701
BaseRepresentation
bin1101101111011000010001…
…10001001111100111101101
310221222112211011121000111200
412313230020301033213231
512430021303431213000
6144132405055240113
76235656602561622
oct667541061174755
9127875734530450
1030215242054125
11969a2374800a7
12347babb519039
1313b239249725b
147665d58a0349
15375e7b427500
hex1b7b08c4f9ed

30215242054125 has 48 divisors (see below), whose sum is σ = 55940118122928. Its totient is φ = 15679260720000.

The previous prime is 30215242054121. The next prime is 30215242054163. The reversal of 30215242054125 is 52145024251203.

30215242054125 is a `hidden beast` number, since 3 + 0 + 2 + 1 + 52 + 42 + 0 + 541 + 25 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 4359267948996 + 25855974105129 = 2087886^2 + 5084877^2 .

It is not a de Polignac number, because 30215242054125 - 22 = 30215242054121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30215242054125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215242054121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362904226 + ... + 362987475.

It is an arithmetic number, because the mean of its divisors is an integer number (1165419127561).

Almost surely, 230215242054125 is an apocalyptic number.

It is an amenable number.

30215242054125 is a deficient number, since it is larger than the sum of its proper divisors (25724876068803).

30215242054125 is a wasteful number, since it uses less digits than its factorization.

30215242054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725891759 (or 725891746 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 30215242054125 in words is "thirty trillion, two hundred fifteen billion, two hundred forty-two million, fifty-four thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 37 45 75 111 125 185 225 333 375 555 925 1125 1665 2775 4625 8325 13875 41625 725891701 2177675103 3629458505 6533025309 10888375515 18147292525 26857992937 32665126545 54441877575 80573978811 90736462625 134289964685 163325632725 241721936433 272209387875 402869894055 671449823425 816628163625 1208609682165 2014349470275 3357249117125 6043048410825 10071747351375 30215242054125