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4039239680 = 21157371523
BaseRepresentation
bin1111000011000001…
…1110100000000000
3101102111112122011122
43300300132200000
531233021132210
61504450531412
7202044653660
oct36060364000
911374478148
104039239680
111793055613
12948896b68
134c4ab0168
142a464a1a0
15189926b55
hexf0c1e800

4039239680 has 192 divisors, whose sum is σ = 11383182720. Its totient is φ = 1346568192.

The previous prime is 4039239641. The next prime is 4039239689. The reversal of 4039239680 is 869329304.

It is not an unprimeable number, because it can be changed into a prime (4039239689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2651399 + ... + 2652921.

It is an arithmetic number, because the mean of its divisors is an integer number (59287410).

Almost surely, 24039239680 is an apocalyptic number.

4039239680 is a gapful number since it is divisible by the number (40) 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 4039239680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5691591360).

4039239680 is an abundant number, since it is smaller than the sum of its proper divisors (7343943040).

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

4039239680 is a wasteful number, since it uses less digits than its factorization.

4039239680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 4039239680 is about 63555.0130202174. The cubic root of 4039239680 is about 1592.5749293385.

The spelling of 4039239680 in words is "four billion, thirty-nine million, two hundred thirty-nine thousand, six hundred eighty".