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898452817813 is a prime number
BaseRepresentation
bin11010001001011111111…
…01100000011110010101
310011220001201111002021101
431010233331200132111
5104210012410132223
61524424333550101
7121624332642205
oct15045775403625
93156051432241
10898452817813
11317039213a31
12126162045331
13669540871a5
14316b1b20405
hexd12ff60795

898452817813 has 2 divisors, whose sum is σ = 898452817814. Its totient is φ = 898452817812.

The previous prime is 898452817739. The next prime is 898452817819. The reversal of 898452817813 is 318718254898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897570549604 + 882268209 = 947402^2 + 29703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-898452817813 is a prime.

It is a super-2 number, since 2×8984528178132 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898452817819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449226408906 + 449226408907.

It is an arithmetic number, because the mean of its divisors is an integer number (449226408907).

Almost surely, 2898452817813 is an apocalyptic number.

It is an amenable number.

898452817813 is a deficient number, since it is larger than the sum of its proper divisors (1).

898452817813 is an equidigital number, since it uses as much as digits as its factorization.

898452817813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 64.

The spelling of 898452817813 in words is "eight hundred ninety-eight billion, four hundred fifty-two million, eight hundred seventeen thousand, eight hundred thirteen".