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212062141 = 1068719843
BaseRepresentation
bin11001010001111…
…00111110111101
3112210000212120101
430220330332331
5413241442031
633013121101
75153332654
oct1450747675
9483025511
10212062141
11a9781475
125b029191
1334c1b675
142024219b
151393d361
hexca3cfbd

212062141 has 4 divisors (see below), whose sum is σ = 212092672. Its totient is φ = 212031612.

The previous prime is 212062049. The next prime is 212062159. The reversal of 212062141 is 141260212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 212062141 - 213 = 212053949 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 (212062841) 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, 766 + ... + 20608.

It is an arithmetic number, because the mean of its divisors is an integer number (53023168).

Almost surely, 2212062141 is an apocalyptic number.

It is an amenable number.

212062141 is a deficient number, since it is larger than the sum of its proper divisors (30531).

212062141 is a wasteful number, since it uses less digits than its factorization.

212062141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30530.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 212062141 is about 14562.3535529117. The cubic root of 212062141 is about 596.3314495369.

It can be divided in two parts, 2120 and 62141, that added together give a triangular number (64261 = T358).

The spelling of 212062141 in words is "two hundred twelve million, sixty-two thousand, one hundred forty-one".

Divisors: 1 10687 19843 212062141