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20103230334312 = 2333372113601631
BaseRepresentation
bin1001001001000101001011…
…11001110010010101101000
32122011211221200112211112000
410210202211321302111220
510113332403431144222
6110431144014251000
74143260534260446
oct444424571622550
978154850484460
1020103230334312
116450806485114
1223081831b6a60
13b2a95a1231a8
144d7004321b96
1524cde79b19ac
hex1248a5e72568

20103230334312 has 192 divisors, whose sum is σ = 57900341721600. Its totient is φ = 6462257034240.

The previous prime is 20103230334301. The next prime is 20103230334359. The reversal of 20103230334312 is 21343303230102.

20103230334312 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 3 + 2 + 303 + 343 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 33113737 + ... + 33715367.

It is an arithmetic number, because the mean of its divisors is an integer number (301564279800).

Almost surely, 220103230334312 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 20103230334312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28950170860800).

20103230334312 is an abundant number, since it is smaller than the sum of its proper divisors (37797111387288).

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

20103230334312 is a wasteful number, since it uses less digits than its factorization.

20103230334312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601833 (or 601786 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20103230334312 its reverse (21343303230102), we get a palindrome (41446533564414).

The spelling of 20103230334312 in words is "twenty trillion, one hundred three billion, two hundred thirty million, three hundred thirty-four thousand, three hundred twelve".