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213214050541 = 1712542002973
BaseRepresentation
bin1100011010010010001…
…1000011100011101101
3202101100020212000002201
43012210203003203231
511443130244104131
6241541005021501
721255433345462
oct3064443034355
9671306760081
10213214050541
1182472855a28
12353a4b54891
131714bb575ab
14a469049669
15582d5a8761
hex31a48c38ed

213214050541 has 4 divisors (see below), whose sum is σ = 225756053532. Its totient is φ = 200672047552.

The previous prime is 213214050493. The next prime is 213214050547. The reversal of 213214050541 is 145050412312.

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

It can be written as a sum of positive squares in 2 ways, for example, as 197710065316 + 15503985225 = 444646^2 + 124515^2 .

It is a cyclic number.

It is not a de Polignac number, because 213214050541 - 211 = 213214048493 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 (213214050547) 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, 6271001470 + ... + 6271001503.

It is an arithmetic number, because the mean of its divisors is an integer number (56439013383).

Almost surely, 2213214050541 is an apocalyptic number.

It is an amenable number.

213214050541 is a deficient number, since it is larger than the sum of its proper divisors (12542002991).

213214050541 is a wasteful number, since it uses less digits than its factorization.

213214050541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12542002990.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 213214050541 its reverse (145050412312), we get a palindrome (358264462853).

The spelling of 213214050541 in words is "two hundred thirteen billion, two hundred fourteen million, fifty thousand, five hundred forty-one".

Divisors: 1 17 12542002973 213214050541