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24489104640 = 28357111323277
BaseRepresentation
bin10110110011101010…
…100001010100000000
32100012200120102010120
4112303222201110000
5400123202322030
615130010300240
71524601645350
oct266352412400
970180512116
1024489104640
11a427508860
1248b5427680
132403738180
141284596b60
15984e06010
hex5b3aa1500

24489104640 has 1152 divisors, whose sum is σ = 109973348352. Its totient is φ = 4476764160.

The previous prime is 24489104609. The next prime is 24489104671. The reversal of 24489104640 is 4640198442.

It is an interprime number because it is at equal distance from previous prime (24489104609) and next prime (24489104671).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 24489104592 and 24489104601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 88408182 + ... + 88408458.

It is an arithmetic number, because the mean of its divisors is an integer number (95462976).

Almost surely, 224489104640 is an apocalyptic number.

24489104640 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 24489104640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54986674176).

24489104640 is an abundant number, since it is smaller than the sum of its proper divisors (85484243712).

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

24489104640 is a wasteful number, since it uses less digits than its factorization.

24489104640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 24489104640 in words is "twenty-four billion, four hundred eighty-nine million, one hundred four thousand, six hundred forty".