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89206246820 = 2258950115869
BaseRepresentation
bin101001100010100011…
…0110100110110100100
322112020221021212110102
41103011012310312210
52430143244344240
6104551503243232
76305420405225
oct1230506646644
9275227255412
1089206246820
1134917667629
1215356ba9518
138548548842
14446371b24c
1524c183a815
hex14c51b4da4

89206246820 has 24 divisors (see below), whose sum is σ = 189437988600. Its totient is φ = 35281571072.

The previous prime is 89206246819. The next prime is 89206246823. The reversal of 89206246820 is 2864260298.

It can be written as a sum of positive squares in 4 ways, for example, as 7459431424 + 81746815396 = 86368^2 + 285914^2 .

It is a super-2 number, since 2×892062468202 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89206246823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25056155 + ... + 25059714.

It is an arithmetic number, because the mean of its divisors is an integer number (7893249525).

Almost surely, 289206246820 is an apocalyptic number.

It is an amenable number.

89206246820 is an abundant number, since it is smaller than the sum of its proper divisors (100231741780).

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

89206246820 is a wasteful number, since it uses less digits than its factorization.

89206246820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50115967 (or 50115965 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 89206246820 in words is "eighty-nine billion, two hundred six million, two hundred forty-six thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 50115869 100231738 200463476 250579345 501158690 1002317380 4460312341 8920624682 17841249364 22301561705 44603123410 89206246820