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32001032130221 = 71119137159661091
BaseRepresentation
bin1110100011010110100100…
…01001110000111010101101
311012022021020221200020221102
413101223102021300322231
513143301103211131341
6152021023214212445
76511666260015260
oct721532211607255
9135267227606842
1032001032130221
11a21861a410620
12370a020ab4125
1314b18b878025b
147c8c02d4ccd7
153a76486d2c9b
hex1d1ad2270ead

32001032130221 has 32 divisors (see below), whose sum is σ = 42303802936320. Its totient is φ = 23451020899200.

The previous prime is 32001032130181. The next prime is 32001032130281. The reversal of 32001032130221 is 12203123010023.

It is a cyclic number.

It is not a de Polignac number, because 32001032130221 - 222 = 32001027935917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32001032130193 and 32001032130202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001032130281) 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 31 ways as a sum of consecutive naturals, for example, 79630115 + ... + 80030976.

It is an arithmetic number, because the mean of its divisors is an integer number (1321993841760).

Almost surely, 232001032130221 is an apocalyptic number.

It is an amenable number.

32001032130221 is a deficient number, since it is larger than the sum of its proper divisors (10302770806099).

32001032130221 is a wasteful number, since it uses less digits than its factorization.

32001032130221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159661265.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32001032130221 its reverse (12203123010023), we get a palindrome (44204155140244).

The spelling of 32001032130221 in words is "thirty-two trillion, one billion, thirty-two million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 7 11 19 77 133 137 209 959 1463 1507 2603 10549 18221 28633 200431 159661091 1117627637 1756272001 3033560729 12293904007 21234925103 21873569467 33369168019 153114986269 233584176133 240609264137 415597819873 1684264848959 2909184739111 4571576018603 32001032130221