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30231212110000 = 2454112975112619
BaseRepresentation
bin1101101111110110000001…
…01010001011000010110000
310222001002001011001220200121
412313323000222023002300
512430302010300010000
6144144005505100024
76240063422035366
oct667730052130260
9128032034056617
1030231212110000
1196a5a92123490
123483017927614
1313b3a38c97a65
147672ac879636
153765b34a5b1a
hex1b7ec0a8b0b0

30231212110000 has 400 divisors, whose sum is σ = 82716552230400. Its totient is φ = 10599120000000.

The previous prime is 30231212109997. The next prime is 30231212110061. The reversal of 30231212110000 is 1121213203.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2395683691 + ... + 2395696309.

It is an arithmetic number, because the mean of its divisors is an integer number (206791380576).

Almost surely, 230231212110000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30231212110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41358276115200).

30231212110000 is an abundant number, since it is smaller than the sum of its proper divisors (52485340120400).

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

30231212110000 is a wasteful number, since it uses less digits than its factorization.

30231212110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13438 (or 13417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30231212110000 its reverse (1121213203), we get a palindrome (30232333323203).

The spelling of 30231212110000 in words is "thirty trillion, two hundred thirty-one billion, two hundred twelve million, one hundred ten thousand".