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542102442022520 = 23537719509437321
BaseRepresentation
bin111101101000010100000111…
…1011111010001011001111000
32122002102111011021002110002022
41323100220033133101121320
51032023301300124210040
65200542231315054012
7222120415605402251
oct17320501737213170
92562374137073068
10542102442022520
11147804399a38455
1250973102ba1308
131a36406bc12192
1497c1c808c3b28
1542a14dde096b5
hex1ed0a0f7d1678

542102442022520 has 64 divisors (see below), whose sum is σ = 1254438461692800. Its totient is φ = 210686973557760.

The previous prime is 542102442022513. The next prime is 542102442022541. The reversal of 542102442022520 is 25220244201245.

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, 253654541 + ... + 255782780.

It is an arithmetic number, because the mean of its divisors is an integer number (19600600963950).

Almost surely, 2542102442022520 is an apocalyptic number.

It is an amenable number.

542102442022520 is an abundant number, since it is smaller than the sum of its proper divisors (712336019670280).

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

542102442022520 is a wasteful number, since it uses less digits than its factorization.

542102442022520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509438088 (or 509438084 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 542102442022520 its reverse (25220244201245), we get a palindrome (567322686223765).

The spelling of 542102442022520 in words is "five hundred forty-two trillion, one hundred two billion, four hundred forty-two million, twenty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 37 40 74 148 185 296 370 719 740 1438 1480 2876 3595 5752 7190 14380 26603 28760 53206 106412 133015 212824 266030 532060 1064120 509437321 1018874642 2037749284 2547186605 4075498568 5094373210 10188746420 18849180877 20377492840 37698361754 75396723508 94245904385 150793447016 188491808770 366285433799 376983617540 732570867598 753967235080 1465141735196 1831427168995 2930283470392 3662854337990 7325708675980 13552561050563 14651417351960 27105122101126 54210244202252 67762805252815 108420488404504 135525610505630 271051221011260 542102442022520