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98458632281 is a prime number
BaseRepresentation
bin101101110110010010…
…1111000000001011001
3100102010202021202020102
41123230211320001121
53103120402213111
6113121542105145
710053616365032
oct1335445700131
9312122252212
1098458632281
1138835370789
12170b971b1b5
139391395239
144aa046da89
152863c6d13b
hex16ec978059

98458632281 has 2 divisors, whose sum is σ = 98458632282. Its totient is φ = 98458632280.

The previous prime is 98458632247. The next prime is 98458632287. The reversal of 98458632281 is 18223685489.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95966126656 + 2492505625 = 309784^2 + 49925^2 .

It is a cyclic number.

It is not a de Polignac number, because 98458632281 - 230 = 97384890457 is a prime.

It is a super-2 number, since 2×984586322812 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (98458632287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49229316140 + 49229316141.

It is an arithmetic number, because the mean of its divisors is an integer number (49229316141).

Almost surely, 298458632281 is an apocalyptic number.

It is an amenable number.

98458632281 is a deficient number, since it is larger than the sum of its proper divisors (1).

98458632281 is an equidigital number, since it uses as much as digits as its factorization.

98458632281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6635520, while the sum is 56.

The spelling of 98458632281 in words is "ninety-eight billion, four hundred fifty-eight million, six hundred thirty-two thousand, two hundred eighty-one".