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30589212941820 = 2236513472934127
BaseRepresentation
bin1101111010010000110110…
…01010111101110111111100
311000022022002211210111000000
412331020123022331313330
513002133202003114240
6145020253533234300
76304666132640061
oct675103312756774
9130268084714000
1030589212941820
1198238a3279135
123520489632990
13140b72030aca0
1477a750b50c68
15380a67b1b430
hex1bd21b2bddfc

30589212941820 has 336 divisors, whose sum is σ = 103745547480960. Its totient is φ = 7527839597568.

The previous prime is 30589212941813. The next prime is 30589212941827. The reversal of 30589212941820 is 2814921298503.

30589212941820 is a `hidden beast` number, since 3 + 0 + 5 + 8 + 9 + 212 + 9 + 418 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30589212941813) and next prime (30589212941827).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30589212941827) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 896317597 + ... + 896351723.

It is an arithmetic number, because the mean of its divisors is an integer number (308766510360).

Almost surely, 230589212941820 is an apocalyptic number.

30589212941820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30589212941820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51872773740480).

30589212941820 is an abundant number, since it is smaller than the sum of its proper divisors (73156334539140).

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

30589212941820 is a wasteful number, since it uses less digits than its factorization.

30589212941820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38896 (or 38879 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 30589212941820 in words is "thirty trillion, five hundred eighty-nine billion, two hundred twelve million, nine hundred forty-one thousand, eight hundred twenty".