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213141102101 = 409521127389
BaseRepresentation
bin1100011010000000110…
…0110001111000010101
3202101011011120211122122
43012200030301320111
511443003110231401
6241525441305325
721253556322014
oct3064014617025
9671134524578
10213141102101
1182435660764
1235384635245
13171399c5a35
14a45d49aa7b
155826e9921b
hex31a0331e15

213141102101 has 4 divisors (see below), whose sum is σ = 213662229900. Its totient is φ = 212619974304.

The previous prime is 213141102077. The next prime is 213141102107. The reversal of 213141102101 is 101201141312.

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 198337513201 + 14803588900 = 445351^2 + 121670^2 .

It is a cyclic number.

It is not a de Polignac number, because 213141102101 - 218 = 213140839957 is a prime.

It is a super-2 number, since 2×2131411021012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213141102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213141102107) 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, 260563286 + ... + 260564103.

It is an arithmetic number, because the mean of its divisors is an integer number (53415557475).

Almost surely, 2213141102101 is an apocalyptic number.

It is an amenable number.

213141102101 is a deficient number, since it is larger than the sum of its proper divisors (521127799).

213141102101 is an equidigital number, since it uses as much as digits as its factorization.

213141102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521127798.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 213141102101 its reverse (101201141312), we get a palindrome (314342243413).

The spelling of 213141102101 in words is "two hundred thirteen billion, one hundred forty-one million, one hundred two thousand, one hundred one".

Divisors: 1 409 521127389 213141102101