Base | Representation |
---|---|
bin | 1100010111011010000… |
… | …0010011011011011100 |
3 | 202022100102022021212020 |
4 | 3011312200103123130 |
5 | 11440040020432210 |
6 | 241332212140140 |
7 | 21230333416530 |
oct | 3056640233334 |
9 | 668312267766 |
10 | 212441577180 |
11 | 82106806298 |
12 | 3520a307650 |
13 | 17057ac1971 |
14 | a3d4607bc0 |
15 | 57d586c770 |
hex | 31768136dc |
212441577180 has 96 divisors (see below), whose sum is σ = 681165241344. Its totient is φ = 48461489664.
The previous prime is 212441577169. The next prime is 212441577181. The reversal of 212441577180 is 81775144212.
It is a happy number.
212441577180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212441577181) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291537 + ... + 714056.
It is an arithmetic number, because the mean of its divisors is an integer number (7095471264).
Almost surely, 2212441577180 is an apocalyptic number.
212441577180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
212441577180 is an abundant number, since it is smaller than the sum of its proper divisors (468723664164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212441577180 is a wasteful number, since it uses less digits than its factorization.
212441577180 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006115 (or 1006113 counting only the distinct ones).
The product of its (nonzero) digits is 125440, while the sum is 42.
The spelling of 212441577180 in words is "two hundred twelve billion, four hundred forty-one million, five hundred seventy-seven thousand, one hundred eighty".
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