Base | Representation |
---|---|
bin | 1011110000000110000… |
… | …0111111010100111101 |
3 | 201022002222120010212212 |
4 | 2330001200333110331 |
5 | 11301432023410000 |
6 | 232425123310205 |
7 | 20404665143321 |
oct | 2740140772475 |
9 | 638088503785 |
10 | 201888888125 |
11 | 78691017871 |
12 | 3316421b365 |
13 | 16065762062 |
14 | 9ab2cd5981 |
15 | 53b91d9c35 |
hex | 2f0183f53d |
201888888125 has 20 divisors (see below), whose sum is σ = 253476161664. Its totient is φ = 160745550000.
The previous prime is 201888888109. The next prime is 201888888139. The reversal of 201888888125 is 521888888102.
It is not a de Polignac number, because 201888888125 - 24 = 201888888109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 633581 + ... + 897330.
Almost surely, 2201888888125 is an apocalyptic number.
201888888125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
201888888125 is a deficient number, since it is larger than the sum of its proper divisors (51587273539).
201888888125 is an equidigital number, since it uses as much as digits as its factorization.
201888888125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1531142 (or 1531127 counting only the distinct ones).
The product of its (nonzero) digits is 5242880, while the sum is 59.
The spelling of 201888888125 in words is "two hundred one billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, one hundred twenty-five".
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