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213322636801 = 1491431695549
BaseRepresentation
bin1100011010101100000…
…1010001111000000001
3202101121211011202110001
43012223001101320001
511443341043334201
6241555444240001
721261222331501
oct3065301217001
9671554152401
10213322636801
118251908143a
12354153a0001
13171684b6311
14a479633a01
155837da7301
hex31ab051e01

213322636801 has 4 divisors (see below), whose sum is σ = 214754332500. Its totient is φ = 211890941104.

The previous prime is 213322636757. The next prime is 213322636837. The reversal of 213322636801 is 108636223312.

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 27423691201 + 185898945600 = 165601^2 + 431160^2 .

It is a cyclic number.

It is not a de Polignac number, because 213322636801 - 231 = 211175153153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213322636841) 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, 715847626 + ... + 715847923.

It is an arithmetic number, because the mean of its divisors is an integer number (53688583125).

Almost surely, 2213322636801 is an apocalyptic number.

It is an amenable number.

213322636801 is a deficient number, since it is larger than the sum of its proper divisors (1431695699).

213322636801 is a wasteful number, since it uses less digits than its factorization.

213322636801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431695698.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 213322636801 in words is "two hundred thirteen billion, three hundred twenty-two million, six hundred thirty-six thousand, eight hundred one".

Divisors: 1 149 1431695549 213322636801