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2221131012013 = 17627126007319
BaseRepresentation
bin100000010100100101101…
…110011001011110101101
321212100010102212011112001
4200110211232121132231
5242342334014341023
64420212402012301
7316320461044054
oct40244556313655
97770112764461
102221131012013
11786a81608081
122ba578347091
131315b4679644
147970914939b
153cb9b62c6ad
hex20525b997ad

2221131012013 has 4 divisors (see below), whose sum is σ = 2221257036960. Its totient is φ = 2221004987068.

The previous prime is 2221131011989. The next prime is 2221131012017. The reversal of 2221131012013 is 3102101311222.

2221131012013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2221131012013 is a prime.

It is a super-3 number, since 3×22211310120133 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221131012017) 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, 62986033 + ... + 63021286.

It is an arithmetic number, because the mean of its divisors is an integer number (555314259240).

Almost surely, 22221131012013 is an apocalyptic number.

It is an amenable number.

2221131012013 is a deficient number, since it is larger than the sum of its proper divisors (126024947).

2221131012013 is a wasteful number, since it uses less digits than its factorization.

2221131012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126024946.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2221131012013 its reverse (3102101311222), we get a palindrome (5323232323235).

The spelling of 2221131012013 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, twelve thousand, thirteen".

Divisors: 1 17627 126007319 2221131012013