Base | Representation |
---|---|
bin | 1111100000001… |
… | …01000100110010 |
3 | 100001200221010020 |
4 | 13300011010302 |
5 | 231242403320 |
6 | 20523144310 |
7 | 3136233432 |
oct | 760050462 |
9 | 301627106 |
10 | 130044210 |
11 | 6745215a |
12 | 37675096 |
13 | 20c3294a |
14 | 133b22c2 |
15 | b63b940 |
hex | 7c05132 |
130044210 has 32 divisors (see below), whose sum is σ = 319721472. Its totient is φ = 33832320.
The previous prime is 130044209. The next prime is 130044217. The reversal of 130044210 is 12440031.
It is a super-2 number, since 2×1300442102 = 33822993109048200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 130044210.
It is not an unprimeable number, because it can be changed into a prime (130044217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51634 + ... + 54093.
It is an arithmetic number, because the mean of its divisors is an integer number (9991296).
Almost surely, 2130044210 is an apocalyptic number.
130044210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130044210 is an abundant number, since it is smaller than the sum of its proper divisors (189677262).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130044210 is a wasteful number, since it uses less digits than its factorization.
130044210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 105778.
The product of its (nonzero) digits is 96, while the sum is 15.
The square root of 130044210 is about 11403.6928229412. The cubic root of 130044210 is about 506.6371207571.
Adding to 130044210 its reverse (12440031), we get a palindrome (142484241).
The spelling of 130044210 in words is "one hundred thirty million, forty-four thousand, two hundred ten".
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