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19424735270808 = 233736149977521
BaseRepresentation
bin1000110101010101011000…
…11100100001011110011000
32112202222122012101101210120
410122222230130201132120
510021223324212131213
6105151333350313240
74043251022346000
oct432525434413630
975688565341716
1019424735270808
116209a9072760a
122218788658820
13aab98b09105a
144b223b12d000
1523a436847423
hex11aaac721798

19424735270808 has 256 divisors, whose sum is σ = 57676368000000. Its totient is φ = 5447931955200.

The previous prime is 19424735270797. The next prime is 19424735270819. The reversal of 19424735270808 is 80807253742491.

It is an interprime number because it is at equal distance from previous prime (19424735270797) and next prime (19424735270819).

It is a congruent number.

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, 250535088 + ... + 250612608.

It is an arithmetic number, because the mean of its divisors is an integer number (225298312500).

Almost surely, 219424735270808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19424735270808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28838184000000).

19424735270808 is an abundant number, since it is smaller than the sum of its proper divisors (38251632729192).

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

19424735270808 is a wasteful number, since it uses less digits than its factorization.

19424735270808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78111 (or 78093 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 60.

The spelling of 19424735270808 in words is "nineteen trillion, four hundred twenty-four billion, seven hundred thirty-five million, two hundred seventy thousand, eight hundred eight".