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30450542304642 = 23193151991730101
BaseRepresentation
bin1101110110001110100011…
…10000011101110110000010
310222211001011122112020012220
412323013101300131312002
512442400202312222032
6144432441440231510
76261656552654115
oct673072160356602
9128731148466186
1030450542304642
119780003317a59
1234b962900b596
1313cb620c94c15
14773b57cc857c
1537c14d98a12c
hex1bb1d1c1dd82

30450542304642 has 32 divisors (see below), whose sum is σ = 61220697331200. Its totient is φ = 10096918963200.

The previous prime is 30450542304577. The next prime is 30450542304647. The reversal of 30450542304642 is 24640324505403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30450542304594 and 30450542304603.

It is not an unprimeable number, because it can be changed into a prime (30450542304647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16735392 + ... + 18465492.

It is an arithmetic number, because the mean of its divisors is an integer number (1913146791600).

Almost surely, 230450542304642 is an apocalyptic number.

30450542304642 is an abundant number, since it is smaller than the sum of its proper divisors (30770155026558).

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

30450542304642 is a wasteful number, since it uses less digits than its factorization.

30450542304642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745498.

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 30450542304642 in words is "thirty trillion, four hundred fifty billion, five hundred forty-two million, three hundred four thousand, six hundred forty-two".

Divisors: 1 2 3 6 193 386 579 1158 15199 30398 45597 91194 1730101 2933407 3460202 5190303 5866814 8800221 10380606 17600442 333909493 667818986 1001728479 2003456958 26295805099 52591610198 78887415297 157774830594 5075090384107 10150180768214 15225271152321 30450542304642