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30393347782 = 272170953413
BaseRepresentation
bin11100010011100101…
…011010111011000110
32220110011110001002111
4130103211122323012
5444221144112112
621543522531234
72124114123250
oct342345327306
986404401074
1030393347782
1111987286046
125a82806b1a
132b34a17875
14168479acd0
15bcd4265a7
hex71395aec6

30393347782 has 8 divisors (see below), whose sum is σ = 52102881936. Its totient is φ = 13025720472.

The previous prime is 30393347749. The next prime is 30393347807. The reversal of 30393347782 is 28774339303.

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

It is a super-3 number, since 3×303933477823 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1085476693 + ... + 1085476720.

It is an arithmetic number, because the mean of its divisors is an integer number (6512860242).

Almost surely, 230393347782 is an apocalyptic number.

30393347782 is a deficient number, since it is larger than the sum of its proper divisors (21709534154).

30393347782 is a wasteful number, since it uses less digits than its factorization.

30393347782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170953422.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 30393347782 in words is "thirty billion, three hundred ninety-three million, three hundred forty-seven thousand, seven hundred eighty-two".

Divisors: 1 2 7 14 2170953413 4341906826 15196673891 30393347782