Base | Representation |
---|---|
bin | 100110001101101… |
… | …011011101101010 |
3 | 1122200101021110010 |
4 | 212031223131222 |
5 | 2303111320411 |
6 | 143341232350 |
7 | 21613300554 |
oct | 4615533552 |
9 | 1580337403 |
10 | 641120106 |
11 | 2a9994030 |
12 | 15a8626b6 |
13 | a2a95213 |
14 | 6120c4d4 |
15 | 3b4417a6 |
hex | 2636b76a |
641120106 has 32 divisors (see below), whose sum is σ = 1400698368. Its totient is φ = 194016240.
The previous prime is 641120071. The next prime is 641120113. The reversal of 641120106 is 601021146.
It is a super-2 number, since 2×6411201062 = 822069980634902472, which contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 45771 + ... + 58113.
It is an arithmetic number, because the mean of its divisors is an integer number (43771824).
Almost surely, 2641120106 is an apocalyptic number.
641120106 is a gapful number since it is divisible by the number (66) formed by its first and last digit.
641120106 is an abundant number, since it is smaller than the sum of its proper divisors (759578262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
641120106 is a wasteful number, since it uses less digits than its factorization.
641120106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13146.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 641120106 is about 25320.3496421357. The cubic root of 641120106 is about 862.2763320044.
The spelling of 641120106 in words is "six hundred forty-one million, one hundred twenty thousand, one hundred six".
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