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4248685424881 = 7365157686731
BaseRepresentation
bin111101110100111001011…
…000101011000011110001
3120001011121012012020000001
4331310321120223003301
51024102301432044011
613011452533430001
7615646246146262
oct75647130530361
916034535166001
104248685424881
1113989481830a7
1258751019b301
1324a859718511
141098cd318969
15757b86a57c1
hex3dd3962b0f1

4248685424881 has 4 divisors (see below), whose sum is σ = 4248743185264. Its totient is φ = 4248627664500.

The previous prime is 4248685424861. The next prime is 4248685424903. The reversal of 4248685424881 is 1884245868424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4248685424881 - 29 = 4248685424369 is a prime.

It is a super-2 number, since 2×42486854248812 (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 (4248685424861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28769715 + ... + 28917016.

It is an arithmetic number, because the mean of its divisors is an integer number (1062185796316).

Almost surely, 24248685424881 is an apocalyptic number.

It is an amenable number.

4248685424881 is a deficient number, since it is larger than the sum of its proper divisors (57760383).

4248685424881 is an equidigital number, since it uses as much as digits as its factorization.

4248685424881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57760382.

The product of its digits is 125829120, while the sum is 64.

The spelling of 4248685424881 in words is "four trillion, two hundred forty-eight billion, six hundred eighty-five million, four hundred twenty-four thousand, eight hundred eighty-one".

Divisors: 1 73651 57686731 4248685424881