Search a number
-
+
487487491772 = 22892236140569
BaseRepresentation
bin1110001100000001000…
…01001100111010111100
31201121021211201102202212
413012000201030322330
530441333244214042
61011540524435552
750135252211461
oct7060041147274
91647254642685
10487487491772
11178818a86906
127a58a6a8bb8
1336c7ba71a58
1419847515668
15ca323c8482
hex718084cebc

487487491772 has 24 divisors (see below), whose sum is σ = 866557238400. Its totient is φ = 239924272896.

The previous prime is 487487491763. The next prime is 487487491783. The reversal of 487487491772 is 277194784784.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990897 + ... + 3149672.

It is an arithmetic number, because the mean of its divisors is an integer number (36106551600).

Almost surely, 2487487491772 is an apocalyptic number.

It is an amenable number.

487487491772 is a deficient number, since it is larger than the sum of its proper divisors (379069746628).

487487491772 is a wasteful number, since it uses less digits than its factorization.

487487491772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140885 (or 6140883 counting only the distinct ones).

The product of its digits is 177020928, while the sum is 68.

The spelling of 487487491772 in words is "four hundred eighty-seven billion, four hundred eighty-seven million, four hundred ninety-one thousand, seven hundred seventy-two".

Divisors: 1 2 4 89 178 223 356 446 892 19847 39694 79388 6140569 12281138 24562276 546510641 1093021282 1369346887 2186042564 2738693774 5477387548 121871872943 243743745886 487487491772