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4538288423880 = 23335147115671823
BaseRepresentation
bin100001000001010011100…
…0100011100001111001000
3121001212010010022212122000
41002002213010130033020
51043323403314031010
613352505543031000
7645611006055441
oct102024704341710
917055103285560
104538288423880
11149a74a558692
1261367373b460
1326bc60528413
141199236b42c8
157d0b81d67c0
hex420a711c3c8

4538288423880 has 256 divisors, whose sum is σ = 15155881574400. Its totient is φ = 1207952766720.

The previous prime is 4538288423861. The next prime is 4538288423939. The reversal of 4538288423880 is 883248828354.

4538288423880 is a `hidden beast` number, since 4 + 53 + 8 + 2 + 88 + 423 + 8 + 80 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2489460649 + ... + 2489462471.

It is an arithmetic number, because the mean of its divisors is an integer number (59202662400).

Almost surely, 24538288423880 is an apocalyptic number.

4538288423880 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 4538288423880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7577940787200).

4538288423880 is an abundant number, since it is smaller than the sum of its proper divisors (10617593150520).

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

4538288423880 is a wasteful number, since it uses less digits than its factorization.

4538288423880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 94371840, while the sum is 63.

The spelling of 4538288423880 in words is "four trillion, five hundred thirty-eight billion, two hundred eighty-eight million, four hundred twenty-three thousand, eight hundred eighty".