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30021685847773 = 1132131912462059
BaseRepresentation
bin1101101001101111101111…
…11010111010011011011101
310221022001012220102222010021
412310313313322322123131
512413333403034112043
6143503434434112141
76215665235143204
oct664676772723335
9127261186388107
1030021685847773
119625141aa74a4
12344a4a1a1b651
13139a057179939
1475b0b351223b
15370deda503ed
hex1b4df7eba6dd

30021685847773 has 8 divisors (see below), whose sum is σ = 30288787588800. Its totient is φ = 29754609073728.

The previous prime is 30021685847771. The next prime is 30021685847807. The reversal of 30021685847773 is 37774858612003.

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

It is a cyclic number.

It is not a de Polignac number, because 30021685847773 - 21 = 30021685847771 is a prime.

It is a super-2 number, since 2×300216858477732 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30021685847771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3821983 + ... + 8640076.

It is an arithmetic number, because the mean of its divisors is an integer number (3786098448600).

Almost surely, 230021685847773 is an apocalyptic number.

It is an amenable number.

30021685847773 is a deficient number, since it is larger than the sum of its proper divisors (267101741027).

30021685847773 is a wasteful number, since it uses less digits than its factorization.

30021685847773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12483491.

The product of its (nonzero) digits is 47416320, while the sum is 61.

The spelling of 30021685847773 in words is "thirty trillion, twenty-one billion, six hundred eighty-five million, eight hundred forty-seven thousand, seven hundred seventy-three".

Divisors: 1 113 21319 2409047 12462059 1408212667 265678635821 30021685847773