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2215621146513 = 31315637712841
BaseRepresentation
bin100000001111011101010…
…011111011011110010001
321211210220110001222222110
4200033131103323132101
5242300043003142023
64413501534255533
7316034105003205
oct40173523733621
97753813058873
102215621146513
11784704415625
122b949b0575a9
13130c16cc03b8
1479345484b05
153c977a5ea93
hex203dd4fb791

2215621146513 has 8 divisors (see below), whose sum is σ = 2976712380576. Its totient is φ = 1465805338400.

The previous prime is 2215621146499. The next prime is 2215621146521. The reversal of 2215621146513 is 3156411265122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2215621146513 - 26 = 2215621146449 is a prime.

It is a super-2 number, since 2×22156211465132 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2215621146553) 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 7 ways as a sum of consecutive naturals, for example, 2818856028 + ... + 2818856813.

It is an arithmetic number, because the mean of its divisors is an integer number (372089047572).

Almost surely, 22215621146513 is an apocalyptic number.

It is an amenable number.

2215621146513 is a deficient number, since it is larger than the sum of its proper divisors (761091234063).

2215621146513 is a wasteful number, since it uses less digits than its factorization.

2215621146513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5637712975.

The product of its digits is 86400, while the sum is 39.

The spelling of 2215621146513 in words is "two trillion, two hundred fifteen billion, six hundred twenty-one million, one hundred forty-six thousand, five hundred thirteen".

Divisors: 1 3 131 393 5637712841 16913138523 738540382171 2215621146513