Search a number
-
+
57243909582 = 232231011369013
BaseRepresentation
bin110101010100000000…
…001011110111001110
312110202102111220110100
4311110000023313032
51414213420101312
642144131351530
74064362126446
oct652400136716
9173672456410
1057243909582
1122305770592
12b116a525a6
135523765162
142ab081d126
1517507dd5dc
hexd5400bdce

57243909582 has 48 divisors (see below), whose sum is σ = 130702504608. Its totient is φ = 18070958400.

The previous prime is 57243909553. The next prime is 57243909643. The reversal of 57243909582 is 28590934275.

57243909582 is a `hidden beast` number, since 5 + 7 + 24 + 39 + 0 + 9 + 582 = 666.

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 23 ways as a sum of consecutive naturals, for example, 642693 + ... + 726320.

It is an arithmetic number, because the mean of its divisors is an integer number (2722968846).

Almost surely, 257243909582 is an apocalyptic number.

57243909582 is an abundant number, since it is smaller than the sum of its proper divisors (73458595026).

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

57243909582 is a wasteful number, since it uses less digits than its factorization.

57243909582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369145 (or 1369142 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 57243909582 in words is "fifty-seven billion, two hundred forty-three million, nine hundred nine thousand, five hundred eighty-two".

Divisors: 1 2 3 6 9 18 23 46 69 101 138 202 207 303 414 606 909 1818 2323 4646 6969 13938 20907 41814 1369013 2738026 4107039 8214078 12321117 24642234 31487299 62974598 94461897 138270313 188923794 276540626 283385691 414810939 566771382 829621878 1244432817 2488865634 3180217199 6360434398 9540651597 19081303194 28621954791 57243909582