Base | Representation |
---|---|
bin | 1101010010000110000… |
… | …1010111100010110101 |
3 | 210211000100101201110101 |
4 | 3110201201113202311 |
5 | 12214321042141010 |
6 | 252455344554101 |
7 | 22325621060143 |
oct | 3244141274265 |
9 | 724010351411 |
10 | 228195662005 |
11 | 88860558403 |
12 | 38286322931 |
13 | 1869893584c |
14 | b08aa44593 |
15 | 5e0898973a |
hex | 35218578b5 |
228195662005 has 16 divisors (see below), whose sum is σ = 274813418880. Its totient is φ = 181904315328.
The previous prime is 228195661979. The next prime is 228195662017. The reversal of 228195662005 is 500266591822.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 228195662005 - 29 = 228195661493 is a prime.
It is a super-3 number, since 3×2281956620053 (a number of 35 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18128944 + ... + 18141526.
It is an arithmetic number, because the mean of its divisors is an integer number (17175838680).
Almost surely, 2228195662005 is an apocalyptic number.
It is an amenable number.
228195662005 is a deficient number, since it is larger than the sum of its proper divisors (46617756875).
228195662005 is a wasteful number, since it uses less digits than its factorization.
228195662005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25260.
The product of its (nonzero) digits is 518400, while the sum is 46.
It can be divided in two parts, 2281956 and 62005, that added together give a square (2343961 = 15312).
The spelling of 228195662005 in words is "two hundred twenty-eight billion, one hundred ninety-five million, six hundred sixty-two thousand, five".
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