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213444023001 = 31153122037749
BaseRepresentation
bin1100011011001001000…
…0010101001011011001
3202101221021120211000020
43012302100111023121
511444113132214001
6242015502101053
721264225155226
oct3066220251331
9671837524006
10213444023001
118258064a710
1235449b7a789
13171876a7181
14a48b7d094d
155843883736
hex31b24152d9

213444023001 has 16 divisors (see below), whose sum is σ = 316321848000. Its totient is φ = 126919257920.

The previous prime is 213444022973. The next prime is 213444023003. The reversal of 213444023001 is 100320444312.

It is a cyclic number.

It is not a de Polignac number, because 213444023001 - 225 = 213410468569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213444023003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61017126 + ... + 61020623.

It is an arithmetic number, because the mean of its divisors is an integer number (19770115500).

Almost surely, 2213444023001 is an apocalyptic number.

It is an amenable number.

213444023001 is a deficient number, since it is larger than the sum of its proper divisors (102877824999).

213444023001 is a wasteful number, since it uses less digits than its factorization.

213444023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122037816.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 213444023001 its reverse (100320444312), we get a palindrome (313764467313).

The spelling of 213444023001 in words is "two hundred thirteen billion, four hundred forty-four million, twenty-three thousand, one".

Divisors: 1 3 11 33 53 159 583 1749 122037749 366113247 1342415239 4027245717 6468000697 19404002091 71148007667 213444023001