Search a number
-
+
487243342784 = 2611692107021
BaseRepresentation
bin1110001011100011111…
…01110110001111000000
31201120122211022101022202
413011301331312033000
530440333243432114
61011500403452332
750126226036032
oct7056175661700
91646584271282
10487243342784
1117870318a090
127a5209870a8
1336c402ca5b3
1419822d1dc52
15ca1ac4ccde
hex7171f763c0

487243342784 has 28 divisors (see below), whose sum is σ = 1054771101528. Its totient is φ = 221474246400.

The previous prime is 487243342783. The next prime is 487243342871.

487243342784 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487243342783) 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, 346052807 + ... + 346054214.

Almost surely, 2487243342784 is an apocalyptic number.

487243342784 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

487243342784 is an abundant number, since it is smaller than the sum of its proper divisors (567527758744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

487243342784 is a wasteful number, since it uses less digits than its factorization.

487243342784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692107044 (or 692107034 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 56.

The spelling of 487243342784 in words is "four hundred eighty-seven billion, two hundred forty-three million, three hundred forty-two thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 704 692107021 1384214042 2768428084 5536856168 7613177231 11073712336 15226354462 22147424672 30452708924 44294849344 60905417848 121810835696 243621671392 487243342784