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213144123201 = 387478122561
BaseRepresentation
bin1100011010000001100…
…0010011011101000001
3202101011101021022211020
43012200120103131001
511443004343420301
6241530030140053
721253624103622
oct3064030233501
9671141238736
10213144123201
1182437334539
1235385651629
131713a512b79
14a45da45a49
155827394436
hex31a0613741

213144123201 has 8 divisors (see below), whose sum is σ = 284224689504. Its totient is φ = 142079819520.

The previous prime is 213144123169. The next prime is 213144123233. The reversal of 213144123201 is 102321441312.

It is an interprime number because it is at equal distance from previous prime (213144123169) and next prime (213144123233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213144123201 - 25 = 213144123169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213144122201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035040 + ... + 4087521.

It is an arithmetic number, because the mean of its divisors is an integer number (35528086188).

Almost surely, 2213144123201 is an apocalyptic number.

It is an amenable number.

213144123201 is a deficient number, since it is larger than the sum of its proper divisors (71080566303).

213144123201 is an equidigital number, since it uses as much as digits as its factorization.

213144123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131311.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 213144123201 its reverse (102321441312), we get a palindrome (315465564513).

The spelling of 213144123201 in words is "two hundred thirteen billion, one hundred forty-four million, one hundred twenty-three thousand, two hundred one".

Divisors: 1 3 8747 26241 8122561 24367683 71048041067 213144123201