Base | Representation |
---|---|
bin | 1100100001101111011… |
… | …0011000100100100010 |
3 | 202120111202010120002020 |
4 | 3020123312120210202 |
5 | 12011230143343200 |
6 | 242511345202310 |
7 | 21356146316334 |
oct | 3103366304442 |
9 | 676452116066 |
10 | 215215606050 |
11 | 832aa665235 |
12 | 35863330396 |
13 | 173aa727973 |
14 | a5b8bcb454 |
15 | 58e9176ea0 |
hex | 321bd98922 |
215215606050 has 24 divisors (see below), whose sum is σ = 533734703376. Its totient is φ = 57390828240.
The previous prime is 215215606019. The next prime is 215215606087. The reversal of 215215606050 is 50606512512.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717385204 + ... + 717385503.
It is an arithmetic number, because the mean of its divisors is an integer number (22238945974).
Almost surely, 2215215606050 is an apocalyptic number.
215215606050 is an abundant number, since it is smaller than the sum of its proper divisors (318519097326).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215215606050 is a wasteful number, since it uses less digits than its factorization.
215215606050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1434770722 (or 1434770717 counting only the distinct ones).
The product of its (nonzero) digits is 18000, while the sum is 33.
The spelling of 215215606050 in words is "two hundred fifteen billion, two hundred fifteen million, six hundred six thousand, fifty".
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