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30420253235202 = 235070042205867
BaseRepresentation
bin1101110101010110001000…
…11000110101100000000010
310222201010222202022002010020
412322223010120311200002
512441401134312011302
6144410512120314310
76256535143062165
oct672530430654002
9128633882262106
1030420253235202
11976917a995866
1234b3795312996
1313c8804a5b31c
147724c3313adc
1537b4797b0ebc
hex1baac4635802

30420253235202 has 8 divisors (see below), whose sum is σ = 60840506470416. Its totient is φ = 10140084411732.

The previous prime is 30420253235201. The next prime is 30420253235219. The reversal of 30420253235202 is 20253235202403.

It is a sphenic number, since it is the product of 3 distinct primes.

30420253235202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (30420253235201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2535021102928 + ... + 2535021102939.

It is an arithmetic number, because the mean of its divisors is an integer number (7605063308802).

Almost surely, 230420253235202 is an apocalyptic number.

30420253235202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30420253235202 is a wasteful number, since it uses less digits than its factorization.

30420253235202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5070042205872.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 30420253235202 its reverse (20253235202403), we get a palindrome (50673488437605).

The spelling of 30420253235202 in words is "thirty trillion, four hundred twenty billion, two hundred fifty-three million, two hundred thirty-five thousand, two hundred two".

Divisors: 1 2 3 6 5070042205867 10140084411734 15210126617601 30420253235202