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18889001460019 is a prime number
BaseRepresentation
bin1000100101101111100000…
…01110001110000100110011
32110212202210222201000110101
410102313300032032010303
54433434133333210034
6104101253143413231
73656454031162045
oct422676016160463
973782728630411
1018889001460019
116022864986189
122150994454217
13a702c09a2852
14494338183a95
1522b52da33514
hex112df038e133

18889001460019 has 2 divisors, whose sum is σ = 18889001460020. Its totient is φ = 18889001460018.

The previous prime is 18889001459987. The next prime is 18889001460037. The reversal of 18889001460019 is 91006410098881.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18889001460019 - 25 = 18889001459987 is a prime.

It is a super-2 number, since 2×188890014600192 (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18889001460059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9444500730009 + 9444500730010.

It is an arithmetic number, because the mean of its divisors is an integer number (9444500730010).

Almost surely, 218889001460019 is an apocalyptic number.

18889001460019 is a deficient number, since it is larger than the sum of its proper divisors (1).

18889001460019 is an equidigital number, since it uses as much as digits as its factorization.

18889001460019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 55.

The spelling of 18889001460019 in words is "eighteen trillion, eight hundred eighty-nine billion, one million, four hundred sixty thousand, nineteen".