Search a number
-
+
487574618084652 = 2237297324175115149
BaseRepresentation
bin110111011011100100100111…
…1111010011001010100101100
32100221100200022110101021110110
41232313021033322121110230
51002401410304212202102
64444552404244540020
7204462050364336060
oct15667111772312454
92327320273337413
10487574618084652
111313a1263956a2a
12468272890b1610
1317c0a120c80667
148858a47717aa0
153b57e04b2186c
hex1bb724fe9952c

487574618084652 has 384 divisors, whose sum is σ = 1371029603328000. Its totient is φ = 131925749760000.

The previous prime is 487574618084621. The next prime is 487574618084711. The reversal of 487574618084652 is 256480816475784.

It is a super-2 number, since 2×4875746180846522 (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32185259974 + ... + 32185275122.

It is an arithmetic number, because the mean of its divisors is an integer number (3570389592000).

Almost surely, 2487574618084652 is an apocalyptic number.

487574618084652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487574618084652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (685514801664000).

487574618084652 is an abundant number, since it is smaller than the sum of its proper divisors (883454985243348).

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

487574618084652 is a wasteful number, since it uses less digits than its factorization.

487574618084652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16257 (or 16255 counting only the distinct ones).

The product of its (nonzero) digits is 2890137600, while the sum is 75.

The spelling of 487574618084652 in words is "four hundred eighty-seven trillion, five hundred seventy-four billion, six hundred eighteen million, eighty-four thousand, six hundred fifty-two".