Base | Representation |
---|---|
bin | 100000001111011101010… |
… | …011111011011110010001 |
3 | 21211210220110001222222110 |
4 | 200033131103323132101 |
5 | 242300043003142023 |
6 | 4413501534255533 |
7 | 316034105003205 |
oct | 40173523733621 |
9 | 7753813058873 |
10 | 2215621146513 |
11 | 784704415625 |
12 | 2b949b0575a9 |
13 | 130c16cc03b8 |
14 | 79345484b05 |
15 | 3c977a5ea93 |
hex | 203dd4fb791 |
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".
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