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30212112210000 = 243547625722993
BaseRepresentation
bin1101101111010010011100…
…01101110101100001010000
310221222020202001020110111220
412313221032031311201100
512424443401211210000
6144131130332005040
76235516206414630
oct667511615654120
9127866661213456
1030212112210000
119698980794966
12347b387300780
1313b1cb3c20196
147663b9d386c0
15375d467861a0
hex1b7a4e375850

30212112210000 has 400 divisors, whose sum is σ = 111484063979904. Its totient is φ = 6904221696000.

The previous prime is 30212112209959. The next prime is 30212112210029. The reversal of 30212112210000 is 1221121203.

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 (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1313958504 + ... + 1313981496.

Almost surely, 230212112210000 is an apocalyptic number.

30212112210000 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 30212112210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55742031989952).

30212112210000 is an abundant number, since it is smaller than the sum of its proper divisors (81271951769904).

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

30212112210000 is a wasteful number, since it uses less digits than its factorization.

30212112210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29288 (or 29267 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30212112210000 its reverse (1221121203), we get a palindrome (30213333331203).

The spelling of 30212112210000 in words is "thirty trillion, two hundred twelve billion, one hundred twelve million, two hundred ten thousand".