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213233023141 = 732921000317
BaseRepresentation
bin1100011010010110101…
…1011011100010100101
3202101101120112220121121
43012211223123202211
511443200123220031
6241542523413541
721256053535255
oct3064553334245
9671346486547
10213233023141
1182482534366
12353ab3842b1
1317152a6b198
14a46b787965
1558300a5011
hex31a5adb8a5

213233023141 has 4 divisors (see below), whose sum is σ = 216154023532. Its totient is φ = 210312022752.

The previous prime is 213233023139. The next prime is 213233023147. The reversal of 213233023141 is 141320332312.

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 41571132100 + 171661891041 = 203890^2 + 414321^2 .

It is a cyclic number.

It is not a de Polignac number, because 213233023141 - 21 = 213233023139 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 (213233023147) 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, 1460500086 + ... + 1460500231.

It is an arithmetic number, because the mean of its divisors is an integer number (54038505883).

Almost surely, 2213233023141 is an apocalyptic number.

It is an amenable number.

213233023141 is a deficient number, since it is larger than the sum of its proper divisors (2921000391).

213233023141 is an equidigital number, since it uses as much as digits as its factorization.

213233023141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921000390.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213233023141 its reverse (141320332312), we get a palindrome (354553355453).

The spelling of 213233023141 in words is "two hundred thirteen billion, two hundred thirty-three million, twenty-three thousand, one hundred forty-one".

Divisors: 1 73 2921000317 213233023141