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2221312001013 = 32739298974019
BaseRepresentation
bin100000010100110000100…
…000110100001111110101
321212100121001102100202100
4200110300200310033311
5242343221333013023
64420242345132313
7316325116321560
oct40246040641765
97770531370670
102221312001013
11787064795866
122ba608a8a099
13131613008721
14797251bd4d7
153cbac47dc43
hex205308343f5

2221312001013 has 24 divisors (see below), whose sum is σ = 3667861454400. Its totient is φ = 1268997937344.

The previous prime is 2221312001011. The next prime is 2221312001053. The reversal of 2221312001013 is 3101002131222.

It is not a de Polignac number, because 2221312001013 - 21 = 2221312001011 is a prime.

It is a super-2 number, since 2×22213120010132 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221312001011) 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 23 ways as a sum of consecutive naturals, for example, 4239483 + ... + 4734536.

It is an arithmetic number, because the mean of its divisors is an integer number (152827560600).

Almost surely, 22221312001013 is an apocalyptic number.

It is an amenable number.

2221312001013 is a deficient number, since it is larger than the sum of its proper divisors (1446549453387).

2221312001013 is a wasteful number, since it uses less digits than its factorization.

2221312001013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977961 (or 8977958 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2221312001013 its reverse (3101002131222), we get a palindrome (5322314132235).

The spelling of 2221312001013 in words is "two trillion, two hundred twenty-one billion, three hundred twelve million, one thousand, thirteen".

Divisors: 1 3 7 9 21 63 3929 11787 27503 35361 82509 247527 8974019 26922057 62818133 80766171 188454399 565363197 35258920651 105776761953 246812444557 317330285859 740437333671 2221312001013