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211411011423 = 370470337141
BaseRepresentation
bin1100010011100100010…
…1000000011101011111
3202012200121010010102010
43010321011000131133
511430432204331143
6241042035402303
721162650642613
oct3047105003537
9665617103363
10211411011423
1181728005a57
1234b81153393
1316c22442141
14a3377c1343
15577514ea33
hex313914075f

211411011423 has 4 divisors (see below), whose sum is σ = 281881348568. Its totient is φ = 140940674280.

The previous prime is 211411011359. The next prime is 211411011473. The reversal of 211411011423 is 324110114112.

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

It is not a de Polignac number, because 211411011423 - 26 = 211411011359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211411011423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211411011473) 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, 35235168568 + ... + 35235168573.

It is an arithmetic number, because the mean of its divisors is an integer number (70470337142).

Almost surely, 2211411011423 is an apocalyptic number.

211411011423 is a deficient number, since it is larger than the sum of its proper divisors (70470337145).

211411011423 is an equidigital number, since it uses as much as digits as its factorization.

211411011423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70470337144.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 211411011423 its reverse (324110114112), we get a palindrome (535521125535).

The spelling of 211411011423 in words is "two hundred eleven billion, four hundred eleven million, eleven thousand, four hundred twenty-three".

Divisors: 1 3 70470337141 211411011423