Base | Representation |
---|---|
bin | 11001101111100011… |
… | …11101100111000100 |
3 | 1022200012011122120011 |
4 | 30313301331213010 |
5 | 211301102334210 |
6 | 10203230320004 |
7 | 666330255433 |
oct | 146761754704 |
9 | 38605148504 |
10 | 13820746180 |
11 | 59524a618a |
12 | 2818659004 |
13 | 13c3439827 |
14 | 95177511a |
15 | 55d525d8a |
hex | 337c7d9c4 |
13820746180 has 12 divisors (see below), whose sum is σ = 29023567020. Its totient is φ = 5528298464.
The previous prime is 13820746169. The next prime is 13820746189. The reversal of 13820746180 is 8164702831.
It can be written as a sum of positive squares in 2 ways, for example, as 1611380164 + 12209366016 = 40142^2 + 110496^2 .
It is not an unprimeable number, because it can be changed into a prime (13820746189) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345518635 + ... + 345518674.
It is an arithmetic number, because the mean of its divisors is an integer number (2418630585).
Almost surely, 213820746180 is an apocalyptic number.
13820746180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13820746180 is an abundant number, since it is smaller than the sum of its proper divisors (15202820840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13820746180 is a wasteful number, since it uses less digits than its factorization.
13820746180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 691037318 (or 691037316 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 40.
The spelling of 13820746180 in words is "thirteen billion, eight hundred twenty million, seven hundred forty-six thousand, one hundred eighty".
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