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57021672064124 = 221759127111911651
BaseRepresentation
bin11001111011100011001001…
…00000100000010001111100
321110220012220100221011112202
430331301210200200101330
524433220341022022444
6321135221114251032
715003452122246625
oct1475614440402174
9243805810834482
1057021672064124
1117194834367a29
12648b222726a78
1325a8174c71191
141011c13c18a4c
1568d3e7cb134e
hex33dc6482047c

57021672064124 has 48 divisors (see below), whose sum is σ = 108294667407360. Its totient is φ = 26171210822400.

The previous prime is 57021672064079. The next prime is 57021672064139. The reversal of 57021672064124 is 42146027612075.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55446302 + ... + 56465349.

It is an arithmetic number, because the mean of its divisors is an integer number (2256138904320).

Almost surely, 257021672064124 is an apocalyptic number.

It is an amenable number.

57021672064124 is a deficient number, since it is larger than the sum of its proper divisors (51272995343236).

57021672064124 is a wasteful number, since it uses less digits than its factorization.

57021672064124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111911858 (or 111911856 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

Adding to 57021672064124 its reverse (42146027612075), we get a palindrome (99167699676199).

The spelling of 57021672064124 in words is "fifty-seven trillion, twenty-one billion, six hundred seventy-two million, sixty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 59 68 118 127 236 254 508 1003 2006 2159 4012 4318 7493 8636 14986 29972 127381 254762 509524 111911651 223823302 447646604 1902498067 3804996134 6602787409 7609992268 13205574818 14212779677 26411149636 28425559354 56851118708 112247385953 224494771906 241617254509 448989543812 483234509018 838554000943 966469018036 1677108001886 3354216003772 14255418016031 28510836032062 57021672064124