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212141073 = 370713691
BaseRepresentation
bin11001010010100…
…00010000010001
3112210011212211210
430221100100101
5413302003243
633014530333
75154112044
oct1451202021
9483155753
10212141073
11a9825801
125b0669a9
1334c48581
1420262c5b
1513956933
hexca50411

212141073 has 4 divisors (see below), whose sum is σ = 282854768. Its totient is φ = 141427380.

The previous prime is 212141063. The next prime is 212141101. The reversal of 212141073 is 370141212.

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 not a de Polignac number, because 212141073 - 24 = 212141057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212141063) 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, 35356843 + ... + 35356848.

It is an arithmetic number, because the mean of its divisors is an integer number (70713692).

Almost surely, 2212141073 is an apocalyptic number.

It is an amenable number.

212141073 is a deficient number, since it is larger than the sum of its proper divisors (70713695).

212141073 is an equidigital number, since it uses as much as digits as its factorization.

212141073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70713694.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 212141073 is about 14565.0634396147. The cubic root of 212141073 is about 596.4054275306.

Adding to 212141073 its reverse (370141212), we get a palindrome (582282285).

The spelling of 212141073 in words is "two hundred twelve million, one hundred forty-one thousand, seventy-three".

Divisors: 1 3 70713691 212141073