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43020730368 = 21434711421
BaseRepresentation
bin101000000100001111…
…000100000000000000
311010001012002112120000
4220010033010000000
51201101301332433
631432523320000
73052044113610
oct500417040000
9133035075500
1043020730368
1117277098520
128407680000
134097b44795
14212184ca40
1511bbcc3113
hexa043c4000

43020730368 has 600 divisors, whose sum is σ = 160622261184. Its totient is φ = 11147673600.

The previous prime is 43020730331. The next prime is 43020730409. The reversal of 43020730368 is 86303702034.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 102186798 + ... + 102187218.

Almost surely, 243020730368 is an apocalyptic number.

43020730368 is a gapful number since it is divisible by the number (48) 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 43020730368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80311130592).

43020730368 is an abundant number, since it is smaller than the sum of its proper divisors (117601530816).

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

43020730368 is an equidigital number, since it uses as much as digits as its factorization.

43020730368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 43020730368 in words is "forty-three billion, twenty million, seven hundred thirty thousand, three hundred sixty-eight".