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211112019983 = 297279724827
BaseRepresentation
bin1100010010011101000…
…0011100100000001111
3202011220202111210021002
43010213100130200033
511424324134114413
6240552235130515
721152360363504
oct3044720344017
9664822453232
10211112019983
1181594260297
1234ab8ba3a3b
1316ba5508427
14a309bd14ab
155758c8e958
hex312741c80f

211112019983 has 4 divisors (see below), whose sum is σ = 218391744840. Its totient is φ = 203832295128.

The previous prime is 211112019973. The next prime is 211112020003. The reversal of 211112019983 is 389910211112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 211112019983 - 218 = 211111757839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211112019973) 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, 3639862385 + ... + 3639862442.

It is an arithmetic number, because the mean of its divisors is an integer number (54597936210).

Almost surely, 2211112019983 is an apocalyptic number.

211112019983 is a deficient number, since it is larger than the sum of its proper divisors (7279724857).

211112019983 is an equidigital number, since it uses as much as digits as its factorization.

211112019983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279724856.

The product of its (nonzero) digits is 7776, while the sum is 38.

The spelling of 211112019983 in words is "two hundred eleven billion, one hundred twelve million, nineteen thousand, nine hundred eighty-three".

Divisors: 1 29 7279724827 211112019983