Base | Representation |
---|---|
bin | 100000010011110001100… |
… | …010101000101100111101 |
3 | 21212020212102110020012200 |
4 | 200103301202220230331 |
5 | 242334040402412110 |
6 | 4415545445022113 |
7 | 316260000323016 |
oct | 40236142505475 |
9 | 7766772406180 |
10 | 2220255513405 |
11 | 7866723a0006 |
12 | 2ba3730b4939 |
13 | 1314a5181227 |
14 | 79664b6a00d |
15 | 3cb498406c0 |
hex | 204f18a8b3d |
2220255513405 has 24 divisors (see below), whose sum is σ = 3981147819480. Its totient is φ = 1143303987840.
The previous prime is 2220255513373. The next prime is 2220255513419. The reversal of 2220255513405 is 5043155520222.
2220255513405 is a `hidden beast` number, since 2 + 220 + 25 + 5 + 5 + 1 + 3 + 405 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 188293284 + 2220067220121 = 13722^2 + 1489989^2 .
It is not a de Polignac number, because 2220255513405 - 25 = 2220255513373 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2220255513405.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850671306 + ... + 850673915.
It is an arithmetic number, because the mean of its divisors is an integer number (165881159145).
Almost surely, 22220255513405 is an apocalyptic number.
It is an amenable number.
2220255513405 is a deficient number, since it is larger than the sum of its proper divisors (1760892306075).
2220255513405 is a wasteful number, since it uses less digits than its factorization.
2220255513405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1701345261 (or 1701345258 counting only the distinct ones).
The product of its (nonzero) digits is 120000, while the sum is 36.
The spelling of 2220255513405 in words is "two trillion, two hundred twenty billion, two hundred fifty-five million, five hundred thirteen thousand, four hundred five".
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