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202112011919 is a prime number
BaseRepresentation
bin1011110000111011010…
…0001000111010001111
3201022200112102000012002
42330032310020322033
511302411133340134
6232503213502515
720413344520106
oct2741664107217
9638615360162
10202112011919
1178795a63aa4
1233206aa1a3b
131609ca5457c
149ad47b703d
1553cdab087e
hex2f0ed08e8f

202112011919 has 2 divisors, whose sum is σ = 202112011920. Its totient is φ = 202112011918.

The previous prime is 202112011883. The next prime is 202112011961. The reversal of 202112011919 is 919110211202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202112011919 - 216 = 202111946383 is a prime.

It is a super-2 number, since 2×2021120119192 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202112011891 and 202112011900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202112011979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101056005959 + 101056005960.

It is an arithmetic number, because the mean of its divisors is an integer number (101056005960).

Almost surely, 2202112011919 is an apocalyptic number.

202112011919 is a deficient number, since it is larger than the sum of its proper divisors (1).

202112011919 is an equidigital number, since it uses as much as digits as its factorization.

202112011919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 202112011919 in words is "two hundred two billion, one hundred twelve million, eleven thousand, nine hundred nineteen".