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1282424348421 = 321259113178391
BaseRepresentation
bin10010101010010110011…
…100101001111100000101
311112121011100122211210200
4102222112130221330011
5132002401113122141
62421045420241113
7161436446050566
oct22522634517405
94477140584720
101282424348421
11454967126007
121886613a0199
1393c16a81bc8
14460d926016d
152355ae3eab6
hex12a96729f05

1282424348421 has 12 divisors (see below), whose sum is σ = 1853862060960. Its totient is φ = 854270487720.

The previous prime is 1282424348393. The next prime is 1282424348431. The reversal of 1282424348421 is 1248434242821.

It is a happy number.

1282424348421 is a `hidden beast` number, since 1 + 2 + 82 + 42 + 434 + 84 + 21 = 666.

It is not a de Polignac number, because 1282424348421 - 210 = 1282424347397 is a prime.

It is a super-2 number, since 2×12824243484212 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282424348431) 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, 56577865 + ... + 56600526.

It is an arithmetic number, because the mean of its divisors is an integer number (154488505080).

Almost surely, 21282424348421 is an apocalyptic number.

It is an amenable number.

1282424348421 is a deficient number, since it is larger than the sum of its proper divisors (571437712539).

1282424348421 is a wasteful number, since it uses less digits than its factorization.

1282424348421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113179656 (or 113179653 counting only the distinct ones).

The product of its digits is 786432, while the sum is 45.

The spelling of 1282424348421 in words is "one trillion, two hundred eighty-two billion, four hundred twenty-four million, three hundred forty-eight thousand, four hundred twenty-one".

Divisors: 1 3 9 1259 3777 11331 113178391 339535173 1018605519 142491594269 427474782807 1282424348421