Base | Representation |
---|---|
bin | 1011010010111101011011… |
… | …0110110011010110001011 |
3 | 1121222101002220102212201100 |
4 | 2310233112312303112023 |
5 | 3111443341404034201 |
6 | 42225455443352443 |
7 | 2421224656534632 |
oct | 264572666632613 |
9 | 47871086385640 |
10 | 12420355143051 |
11 | 3a59496753479 |
12 | 1487193982723 |
13 | 6c130816c96b |
14 | 30d2112b2519 |
15 | 168136837886 |
hex | b4bd6db358b |
12420355143051 has 12 divisors (see below), whose sum is σ = 18077463466920. Its totient is φ = 8217028847040.
The previous prime is 12420355143047. The next prime is 12420355143101. The reversal of 12420355143051 is 15034155302421.
12420355143051 is a `hidden beast` number, since 1 + 2 + 4 + 20 + 3 + 551 + 4 + 30 + 51 = 666.
It is not a de Polignac number, because 12420355143051 - 22 = 12420355143047 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12420355142997 and 12420355143015.
It is not an unprimeable number, because it can be changed into a prime (12420355143011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5267325006 + ... + 5267327363.
It is an arithmetic number, because the mean of its divisors is an integer number (1506455288910).
Almost surely, 212420355143051 is an apocalyptic number.
12420355143051 is a deficient number, since it is larger than the sum of its proper divisors (5657108323869).
12420355143051 is a wasteful number, since it uses less digits than its factorization.
12420355143051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10534652506 (or 10534652503 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
The spelling of 12420355143051 in words is "twelve trillion, four hundred twenty billion, three hundred fifty-five million, one hundred forty-three thousand, fifty-one".
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