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30231311202000 = 24325311711434259
BaseRepresentation
bin1101101111110110001101…
…00100001011011011010000
310222001002022001112022100200
412313323012210023123100
512430302211131431000
6144144023405015200
76240066034226346
oct667730644133320
9128032261468320
1030231311202000
1196a60330547a7
123483044b54500
1313b3a5368118c
147672bbab1996
153765bc02b500
hex1b7ec690b6d0

30231311202000 has 240 divisors, whose sum is σ = 105678135600960. Its totient is φ = 8054792928000.

The previous prime is 30231311201983. The next prime is 30231311202011. The reversal of 30231311202000 is 20211313203.

30231311202000 is a `hidden beast` number, since 30 + 2 + 313 + 1 + 120 + 200 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20360871 + ... + 21795129.

It is an arithmetic number, because the mean of its divisors is an integer number (440325565004).

Almost surely, 230231311202000 is an apocalyptic number.

30231311202000 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 30231311202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52839067800480).

30231311202000 is an abundant number, since it is smaller than the sum of its proper divisors (75446824398960).

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

30231311202000 is a wasteful number, since it uses less digits than its factorization.

30231311202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435459 (or 1435440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30231311202000 its reverse (20211313203), we get a palindrome (30251522515203).

The spelling of 30231311202000 in words is "thirty trillion, two hundred thirty-one billion, three hundred eleven million, two hundred two thousand".