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488542385391 = 3162847461797
BaseRepresentation
bin1110001101111110110…
…01010011010011101111
31201201000100200120202220
413012333121103103233
531001013322313031
61012233330450423
750203351521204
oct7067731232357
91651010616686
10488542385391
1117920a493015
127a823a33a13
13370b948b868
1419907671cab
15ca94cee596
hex71bf6534ef

488542385391 has 4 divisors (see below), whose sum is σ = 651389847192. Its totient is φ = 325694923592.

The previous prime is 488542385377. The next prime is 488542385399. The reversal of 488542385391 is 193583245884.

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

It is a cyclic number.

It is not a de Polignac number, because 488542385391 - 230 = 487468643567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488542385399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81423730896 + ... + 81423730901.

It is an arithmetic number, because the mean of its divisors is an integer number (162847461798).

Almost surely, 2488542385391 is an apocalyptic number.

488542385391 is a deficient number, since it is larger than the sum of its proper divisors (162847461801).

488542385391 is a wasteful number, since it uses less digits than its factorization.

488542385391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162847461800.

The product of its digits is 33177600, while the sum is 60.

The spelling of 488542385391 in words is "four hundred eighty-eight billion, five hundred forty-two million, three hundred eighty-five thousand, three hundred ninety-one".

Divisors: 1 3 162847461797 488542385391