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211012141 = 758327827
BaseRepresentation
bin11001001001111…
…00101000101101
3112201001112020111
430210330220231
5413004342031
632534420021
75141400514
oct1444745055
9481045214
10211012141
11a91245aa
125a801611
1334941772
142004b67b
15137d21b1
hexc93ca2d

211012141 has 4 divisors (see below), whose sum is σ = 211047552. Its totient is φ = 210976732.

The previous prime is 211012127. The next prime is 211012183. The reversal of 211012141 is 141210112.

211012141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211012141 - 27 = 211012013 is a prime.

It is a super-2 number, since 2×2110121412 = 89052247298807762, which 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 (211012541) 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, 6331 + ... + 21496.

It is an arithmetic number, because the mean of its divisors is an integer number (52761888).

Almost surely, 2211012141 is an apocalyptic number.

It is an amenable number.

211012141 is a deficient number, since it is larger than the sum of its proper divisors (35411).

211012141 is an equidigital number, since it uses as much as digits as its factorization.

211012141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35410.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 211012141 is about 14526.2569507771. The cubic root of 211012141 is about 595.3455996609.

Adding to 211012141 its reverse (141210112), we get a palindrome (352222253).

The spelling of 211012141 in words is "two hundred eleven million, twelve thousand, one hundred forty-one".

Divisors: 1 7583 27827 211012141