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12420355143051 = 3213110534652369
BaseRepresentation
bin1011010010111101011011…
…0110110011010110001011
31121222101002220102212201100
42310233112312303112023
53111443341404034201
642225455443352443
72421224656534632
oct264572666632613
947871086385640
1012420355143051
113a59496753479
121487193982723
136c130816c96b
1430d2112b2519
15168136837886
hexb4bd6db358b

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".

Divisors: 1 3 9 131 393 1179 10534652369 31603957107 94811871321 1380039460339 4140118381017 12420355143051