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210232230232221 = 32237731637802603
BaseRepresentation
bin101111110011010010000001…
…011001110100000010011101
31000120101000010121000102201200
4233303102001121310002131
5210023421101414412341
62023043204150230113
762165530435250541
oct5763220131640235
91016330117012650
10210232230232221
1160a93a9625001a
121b6b44b8655339
13903ca77b868a2
1439cb419549a21
151948951c6edb6
hexbf348167409d

210232230232221 has 48 divisors (see below), whose sum is σ = 317475906523776. Its totient is φ = 133805747484288.

The previous prime is 210232230232207. The next prime is 210232230232259. The reversal of 210232230232221 is 122232032232012.

210232230232221 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 32 + 2 + 302 + 322 + 2 + 1 = 666.

It is not a de Polignac number, because 210232230232221 - 231 = 210230082748573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210232230232291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261536706 + ... + 262339308.

It is an arithmetic number, because the mean of its divisors is an integer number (6614081385912).

Almost surely, 2210232230232221 is an apocalyptic number.

It is an amenable number.

210232230232221 is a deficient number, since it is larger than the sum of its proper divisors (107243676291555).

210232230232221 is a wasteful number, since it uses less digits than its factorization.

210232230232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805042 (or 805039 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 210232230232221 its reverse (122232032232012), we get a palindrome (332464262464233).

The spelling of 210232230232221 in words is "two hundred ten trillion, two hundred thirty-two billion, two hundred thirty million, two hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 3 9 23 69 207 773 1637 2319 4911 6957 14733 17779 37651 53337 112953 160011 338859 802603 1265401 2407809 3796203 7223427 11388609 18459869 29104223 55379607 87312669 166138821 261938007 620412119 1313861111 1861236357 3941583333 5583709071 11824749999 14269478737 30218805553 42808436211 90656416659 128425308633 271969249977 1015614638803 3046843916409 9140531749227 23359136692469 70077410077407 210232230232221