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18324316415860 = 2257413103521547
BaseRepresentation
bin1000010101010011101100…
…10111101110011101110100
32101212210021010011121002121
410022221312113232131310
54400211200000301420
6102550024051245324
73600613433410000
oct412516627563564
971783233147077
1018324316415860
1159253319a2704
12207b4605a9844
13a2bc8b5a2320
14474c8a193700
1521b9ce20b2aa
hex10aa765ee774

18324316415860 has 480 divisors, whose sum is σ = 48997603130112. Its totient is φ = 5721537669120.

The previous prime is 18324316415803. The next prime is 18324316415893. The reversal of 18324316415860 is 6851461342381.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 18324316415798 and 18324316415807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 33499664107 + ... + 33499664653.

Almost surely, 218324316415860 is an apocalyptic number.

18324316415860 is a gapful number since it is divisible by the number (10) 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 18324316415860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24498801565056).

18324316415860 is an abundant number, since it is smaller than the sum of its proper divisors (30673286714252).

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

18324316415860 is a wasteful number, since it uses less digits than its factorization.

18324316415860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 18324316415860 in words is "eighteen trillion, three hundred twenty-four billion, three hundred sixteen million, four hundred fifteen thousand, eight hundred sixty".