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42198897107519 = 42244619989179
BaseRepresentation
bin10011001100001001100100…
…10001011010001000111111
312112102011201200202210201022
421212010302101122020333
521012341320124420034
6225425523344334355
711613525003054605
oct1146046221321077
9175364650683638
1042198897107519
111249a4a7326669
1248965193143bb
131a714537c68a9
14a5c61a797875
154d2a54415b2e
hex26613245a23f

42198897107519 has 4 divisors (see below), whose sum is σ = 42198911321160. Its totient is φ = 42198882893880.

The previous prime is 42198897107491. The next prime is 42198897107581. The reversal of 42198897107519 is 91570179889124.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42198897107519 - 228 = 42198628672063 is a prime.

It is a super-2 number, since 2×421988971075192 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42198897100519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770129 + ... + 9219050.

It is an arithmetic number, because the mean of its divisors is an integer number (10549727830290).

Almost surely, 242198897107519 is an apocalyptic number.

42198897107519 is a deficient number, since it is larger than the sum of its proper divisors (14213641).

42198897107519 is an equidigital number, since it uses as much as digits as its factorization.

42198897107519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14213640.

The product of its (nonzero) digits is 91445760, while the sum is 71.

The spelling of 42198897107519 in words is "forty-two trillion, one hundred ninety-eight billion, eight hundred ninety-seven million, one hundred seven thousand, five hundred nineteen".

Divisors: 1 4224461 9989179 42198897107519