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210111000021019 = 1947172763148303
BaseRepresentation
bin101111110001100001000111…
…100001010000100000011011
31000112221102012211222121201101
4233301201013201100200123
5210014424312001133034
62022511354430132231
762154006310411546
oct5761410741204033
91015842184877641
10210111000021019
1160a47635a25029
121b694b04951077
1390314c7b5abc6
1439c55d8a8b85d
151945708cb2514
hexbf184785081b

210111000021019 has 8 divisors (see below), whose sum is σ = 210126095608832. Its totient is φ = 210095904914280.

The previous prime is 210111000020981. The next prime is 210111000021029. The reversal of 210111000021019 is 910120000111012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210111000021019 - 225 = 210110966466587 is a prime.

It is a super-2 number, since 2×2101110000210192 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210111000020987 and 210111000021005.

It is not an unprimeable number, because it can be changed into a prime (210111000021029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416694222 + ... + 1416842524.

It is an arithmetic number, because the mean of its divisors is an integer number (26265761951104).

Almost surely, 2210111000021019 is an apocalyptic number.

210111000021019 is a deficient number, since it is larger than the sum of its proper divisors (15095587813).

210111000021019 is a wasteful number, since it uses less digits than its factorization.

210111000021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240537.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 210111000021019 in words is "two hundred ten trillion, one hundred eleven billion, twenty-one thousand, nineteen".

Divisors: 1 19471 72763 148303 1416768373 2887607713 10790971189 210111000021019