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4242672612281 = 17249568977193
BaseRepresentation
bin111101101111010010111…
…111100111001110111001
3120000121002011000200202002
4331233102333213032321
51024002443142043111
613005020142150345
7615344245115345
oct75572277471671
916017064020662
104242672612281
1113963420a0a94
125863125823b5
1324a10bab493c
141094bc932625
157556588b63b
hex3dbd2fe73b9

4242672612281 has 4 divisors (see below), whose sum is σ = 4492241589492. Its totient is φ = 3993103635072.

The previous prime is 4242672612239. The next prime is 4242672612341. The reversal of 4242672612281 is 1822162762424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3249492943225 + 993179669056 = 1802635^2 + 996584^2 .

It is a cyclic number.

It is not a de Polignac number, because 4242672612281 - 210 = 4242672611257 is a prime.

It is a super-2 number, since 2×42426726122812 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242672612781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124784488580 + ... + 124784488613.

It is an arithmetic number, because the mean of its divisors is an integer number (1123060397373).

Almost surely, 24242672612281 is an apocalyptic number.

It is an amenable number.

4242672612281 is a deficient number, since it is larger than the sum of its proper divisors (249568977211).

4242672612281 is a wasteful number, since it uses less digits than its factorization.

4242672612281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249568977210.

The product of its digits is 1032192, while the sum is 47.

The spelling of 4242672612281 in words is "four trillion, two hundred forty-two billion, six hundred seventy-two million, six hundred twelve thousand, two hundred eighty-one".

Divisors: 1 17 249568977193 4242672612281