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39040030080 = 27355373673
BaseRepresentation
bin100100010110111101…
…111001010110000000
310201202202201000100000
4210112331321112000
51114423221430310
625533523200000
72551306531452
oct442675712600
9121682630300
1039040030080
1115614096477
127696516000
1338b221c81c
141c64cc02d2
1510375b14c0
hex916f79580

39040030080 has 384 divisors, whose sum is σ = 140386165920. Its totient is φ = 10367336448.

The previous prime is 39040030061. The next prime is 39040030093. The reversal of 39040030080 is 8003004093.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58008624 + ... + 58009296.

Almost surely, 239040030080 is an apocalyptic number.

39040030080 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 39040030080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70193082960).

39040030080 is an abundant number, since it is smaller than the sum of its proper divisors (101346135840).

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

39040030080 is an equidigital number, since it uses as much as digits as its factorization.

39040030080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 39040030080 in words is "thirty-nine billion, forty million, thirty thousand, eighty".