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80826189484290 = 235177131325572789
BaseRepresentation
bin10010011000001011010000…
…010100000001000100000010
3101121011220112010010102010020
4102120023100110001010002
541043224014001444130
6443523012220314310
723011333215634065
oct2230132024010402
9347156463112106
1080826189484290
1123832215914028
1290947a73a2996
133613b528c7053
1415d60192568dc
1595271c05ce10
hex4982d0501102

80826189484290 has 256 divisors, whose sum is σ = 209108597621760. Its totient is φ = 19921233346560.

The previous prime is 80826189484253. The next prime is 80826189484291. The reversal of 80826189484290 is 9248498162808.

It is not an unprimeable number, because it can be changed into a prime (80826189484291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28980346216 + ... + 28980349004.

It is an arithmetic number, because the mean of its divisors is an integer number (816830459460).

Almost surely, 280826189484290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80826189484290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104554298810880).

80826189484290 is an abundant number, since it is smaller than the sum of its proper divisors (128282408137470).

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

80826189484290 is a wasteful number, since it uses less digits than its factorization.

80826189484290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5757.

The product of its (nonzero) digits is 127401984, while the sum is 69.

The spelling of 80826189484290 in words is "eighty trillion, eight hundred twenty-six billion, one hundred eighty-nine million, four hundred eighty-four thousand, two hundred ninety".