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21143514414000 = 243531117671372053
BaseRepresentation
bin1001100111010110110111…
…01010100111101110110000
32202212022002212120112120110
410303223123222213232300
510232403404142222000
6112545110232341320
74311365666122116
oct463533352475660
982768085515513
1021143514414000
116811a06749350
122455908244840
13ba4a95286874
145314cc963ab6
15269ed0b26850
hex133adbaa7bb0

21143514414000 has 1280 divisors, whose sum is σ = 80535706527744. Its totient is φ = 4715200512000.

The previous prime is 21143514413977. The next prime is 21143514414037. The reversal of 21143514414000 is 41441534112.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 10298836974 + ... + 10298839026.

Almost surely, 221143514414000 is an apocalyptic number.

21143514414000 is a gapful number since it is divisible by the number (20) 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 21143514414000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40267853263872).

21143514414000 is an abundant number, since it is smaller than the sum of its proper divisors (59392192113744).

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

21143514414000 is a wasteful number, since it uses less digits than its factorization.

21143514414000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2295 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 21143514414000 its reverse (41441534112), we get a palindrome (21184955948112).

The spelling of 21143514414000 in words is "twenty-one trillion, one hundred forty-three billion, five hundred fourteen million, four hundred fourteen thousand".