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7130020462221 = 3139277311198479
BaseRepresentation
bin110011111000001011001…
…0101100011111010001101
3221020121211101101210220010
41213300112111203322031
51413304240214242341
623055253003143433
71334061360650166
oct147602625437215
927217741353803
107130020462221
1122a9908742aa8
12971a19514b79
133c9486815a87
141a914830a76d
15c5705255716
hex67c16563e8d

7130020462221 has 32 divisors (see below), whose sum is σ = 9640602316800. Its totient is φ = 4686970639680.

The previous prime is 7130020462189. The next prime is 7130020462297. The reversal of 7130020462221 is 1222640200317.

It is not a de Polignac number, because 7130020462221 - 25 = 7130020462189 is a prime.

It is a super-3 number, since 3×71300204622213 (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7130020462021) 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, 35824060 + ... + 36022538.

It is an arithmetic number, because the mean of its divisors is an integer number (301268822400).

Almost surely, 27130020462221 is an apocalyptic number.

It is an amenable number.

7130020462221 is a deficient number, since it is larger than the sum of its proper divisors (2510581854579).

7130020462221 is a wasteful number, since it uses less digits than its factorization.

7130020462221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199209.

The product of its (nonzero) digits is 8064, while the sum is 30.

Adding to 7130020462221 its reverse (1222640200317), we get a palindrome (8352660662538).

The spelling of 7130020462221 in words is "seven trillion, one hundred thirty billion, twenty million, four hundred sixty-two thousand, two hundred twenty-one".

Divisors: 1 3 139 277 311 417 831 933 38503 43229 86147 115509 129687 198479 258441 595437 11974433 27588581 35923299 54978683 61726969 82765743 164936049 185180907 7642036937 8580048691 17098370413 22926110811 25740146073 51295111239 2376673487407 7130020462221