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30020311321200 = 24325260113875167
BaseRepresentation
bin1101101001101101001011…
…11111100000101001110000
310221021220200010000210010200
412310312211333200221300
512413323044144234300
6143503050213155200
76215616204644124
oct664664577405160
9127256603023120
1030020311321200
1196245a7127322
12344a17962bb00
131399b984799c5
1475adc2b51584
15370d6d03d200
hex1b4da5fe0a70

30020311321200 has 180 divisors, whose sum is σ = 104352169242048. Its totient is φ = 7992095616000.

The previous prime is 30020311321043. The next prime is 30020311321271. The reversal of 30020311321200 is 212311302003.

30020311321200 is a `hidden beast` number, since 30 + 0 + 2 + 0 + 311 + 321 + 2 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

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 35 ways as a sum of consecutive naturals, for example, 4773984 + ... + 9101183.

Almost surely, 230020311321200 is an apocalyptic number.

30020311321200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30020311321200 is an abundant number, since it is smaller than the sum of its proper divisors (74331857920848).

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

30020311321200 is a wasteful number, since it uses less digits than its factorization.

30020311321200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13875792 (or 13875778 counting only the distinct ones).

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

Adding to 30020311321200 its reverse (212311302003), we get a palindrome (30232622623203).

The spelling of 30020311321200 in words is "thirty trillion, twenty billion, three hundred eleven million, three hundred twenty-one thousand, two hundred".