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98430498890 = 2556571739977
BaseRepresentation
bin101101110101011101…
…0100011100001001010
3100102001210100102110222
41123222322203201022
53103041201431030
6113115055110042
710053125302343
oct1335272434112
9312053312428
1098430498890
11388204a5749
12170b0212322
1393885c4a69
144a9a8290ca
1528615623e5
hex16eaea384a

98430498890 has 16 divisors (see below), whose sum is σ = 177206319432. Its totient is φ = 39365217024.

The previous prime is 98430498889. The next prime is 98430498893. The reversal of 98430498890 is 9889403489.

It can be written as a sum of positive squares in 4 ways, for example, as 58046783041 + 40383715849 = 240929^2 + 200957^2 .

It is a super-2 number, since 2×984304988902 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98430498893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 813419 + ... + 926558.

Almost surely, 298430498890 is an apocalyptic number.

98430498890 is a deficient number, since it is larger than the sum of its proper divisors (78775820542).

98430498890 is a wasteful number, since it uses less digits than its factorization.

98430498890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745641.

The product of its (nonzero) digits is 17915904, while the sum is 62.

The spelling of 98430498890 in words is "ninety-eight billion, four hundred thirty million, four hundred ninety-eight thousand, eight hundred ninety".

Divisors: 1 2 5 10 5657 11314 28285 56570 1739977 3479954 8699885 17399770 9843049889 19686099778 49215249445 98430498890