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213010201 = 1297164233
BaseRepresentation
bin11001011001001…
…00011100011001
3112211211001001201
430230210130121
5414012311301
633045314201
75164361665
oct1454443431
9484731051
10213010201
11aa269798
125b405961
1335191051
142040b8a5
1513a79201
hexcb24719

213010201 has 4 divisors (see below), whose sum is σ = 213175732. Its totient is φ = 212844672.

The previous prime is 213010183. The next prime is 213010223. The reversal of 213010201 is 102010312.

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 191850201 + 21160000 = 13851^2 + 4600^2 .

It is a cyclic number.

It is not a de Polignac number, because 213010201 - 25 = 213010169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213010241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80820 + ... + 83413.

It is an arithmetic number, because the mean of its divisors is an integer number (53293933).

Almost surely, 2213010201 is an apocalyptic number.

It is an amenable number.

213010201 is a deficient number, since it is larger than the sum of its proper divisors (165531).

213010201 is a wasteful number, since it uses less digits than its factorization.

213010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165530.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 213010201 is about 14594.8689956436. The cubic root of 213010201 is about 597.2187956828.

Adding to 213010201 its reverse (102010312), we get a palindrome (315020513).

The spelling of 213010201 in words is "two hundred thirteen million, ten thousand, two hundred one".

Divisors: 1 1297 164233 213010201