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8989468649898 = 231121959101109363
BaseRepresentation
bin1000001011010000011000…
…0101011110100110101010
31011211101101112012210220120
42002310012011132212222
52134240412433244043
631041412131104110
71615316261525532
oct202640605364652
934741345183816
108989468649898
112956459774a00
121012276a42036
1350291b091a99
1423114216a4c2
15108c83d61983
hex82d0615e9aa

8989468649898 has 192 divisors, whose sum is σ = 21364301145600. Its totient is φ = 2511826416000.

The previous prime is 8989468649867. The next prime is 8989468649923.

It is a happy number.

8989468649898 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82143765 + ... + 82253127.

It is an arithmetic number, because the mean of its divisors is an integer number (111272401800).

Almost surely, 28989468649898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8989468649898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10682150572800).

8989468649898 is an abundant number, since it is smaller than the sum of its proper divisors (12374832495702).

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

8989468649898 is a wasteful number, since it uses less digits than its factorization.

8989468649898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109569 (or 109558 counting only the distinct ones).

The product of its digits is 123834728448, while the sum is 96.

The spelling of 8989468649898 in words is "eight trillion, nine hundred eighty-nine billion, four hundred sixty-eight million, six hundred forty-nine thousand, eight hundred ninety-eight".