Base | Representation |
---|---|
bin | 1000011110010000110101… |
… | …10101101101011011000100 |
3 | 2102222012111101202211122002 |
4 | 10033020122311231123010 |
5 | 4420231333203323343 |
6 | 103343233041124432 |
7 | 3632055533310230 |
oct | 417103265553304 |
9 | 72865441684562 |
10 | 18632018417348 |
11 | 5a3388172a696 |
12 | 210b015329718 |
13 | a51cb7c9725b |
14 | 485b1a18b5c0 |
15 | 2249dcb4e8b8 |
hex | 10f21ad6d6c4 |
18632018417348 has 48 divisors (see below), whose sum is σ = 38886298456320. Its totient is φ = 7637560512384.
The previous prime is 18632018417267. The next prime is 18632018417351. The reversal of 18632018417348 is 84371481023681.
It is a super-2 number, since 2×186320184173482 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 18632018417293 and 18632018417302.
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, 11384990 + ... + 12918282.
It is an arithmetic number, because the mean of its divisors is an integer number (810131217840).
Almost surely, 218632018417348 is an apocalyptic number.
It is an amenable number.
18632018417348 is an abundant number, since it is smaller than the sum of its proper divisors (20254280038972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18632018417348 is a wasteful number, since it uses less digits than its factorization.
18632018417348 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1552196 (or 1552194 counting only the distinct ones).
The product of its (nonzero) digits is 6193152, while the sum is 56.
The spelling of 18632018417348 in words is "eighteen trillion, six hundred thirty-two billion, eighteen million, four hundred seventeen thousand, three hundred forty-eight".
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