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242120545324 = 22719558181547
BaseRepresentation
bin1110000101111110000…
…0100101010000101100
3212010221210112002022121
43201133200211100230
512431330324422244
6303121215322324
723330654451460
oct3413740452054
9763853462277
10242120545324
1193756810339
123ab118203a4
1319aa7803c88
14ba0c1664a0
1564711d0c84
hex385f82542c

242120545324 has 48 divisors (see below), whose sum is σ = 509825048320. Its totient is φ = 98285762880.

The previous prime is 242120545237. The next prime is 242120545379. The reversal of 242120545324 is 423545021242.

It is a super-2 number, since 2×2421205453242 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242120545324.

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 15 ways as a sum of consecutive naturals, for example, 2928319 + ... + 3009865.

Almost surely, 2242120545324 is an apocalyptic number.

It is an amenable number.

242120545324 is an abundant number, since it is smaller than the sum of its proper divisors (267704502996).

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

242120545324 is a wasteful number, since it uses less digits than its factorization.

242120545324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87158 (or 87156 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 242120545324 its reverse (423545021242), we get a palindrome (665665566566).

The spelling of 242120545324 in words is "two hundred forty-two billion, one hundred twenty million, five hundred forty-five thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 5581 11162 22324 39067 78134 81547 106039 156268 163094 212078 326188 424156 570829 742273 1141658 1484546 1549393 2283316 2969092 3098786 6197572 10845751 21691502 43383004 455113807 910227614 1820455228 3185796649 6371593298 8647162333 12743186596 17294324666 34588649332 60530136331 121060272662 242120545324