Base | Representation |
---|---|
bin | 10110110000110000… |
… | …10110000101000101 |
3 | 1011112122110020022001 |
4 | 23120120112011011 |
5 | 200011332221031 |
6 | 5340333105301 |
7 | 611553642040 |
oct | 133030260505 |
9 | 34478406261 |
10 | 12220195141 |
11 | 5200a88530 |
12 | 2450628231 |
13 | 11c996cccb |
14 | 83cd79c57 |
15 | 4b7c68861 |
hex | 2d8616145 |
12220195141 has 32 divisors (see below), whose sum is σ = 15348842496. Its totient is φ = 9451728000.
The previous prime is 12220195139. The next prime is 12220195177. The reversal of 12220195141 is 14159102221.
It is not a de Polignac number, because 12220195141 - 21 = 12220195139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12220195111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6530436 + ... + 6532306.
It is an arithmetic number, because the mean of its divisors is an integer number (479651328).
Almost surely, 212220195141 is an apocalyptic number.
12220195141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12220195141 is a deficient number, since it is larger than the sum of its proper divisors (3128647355).
12220195141 is a wasteful number, since it uses less digits than its factorization.
12220195141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2473.
The product of its (nonzero) digits is 1440, while the sum is 28.
Adding to 12220195141 its reverse (14159102221), we get a palindrome (26379297362).
The spelling of 12220195141 in words is "twelve billion, two hundred twenty million, one hundred ninety-five thousand, one hundred forty-one".
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