Search a number
-
+
242505212431040 = 26513155273754397
BaseRepresentation
bin110111001000111010100101…
…000010110000101011000000
31011210122021100012201120020222
4313020322211002300223000
5223241201133340243130
62215433205010322212
7102036265142604026
oct6710724502605300
91153567305646228
10242505212431040
11702a6979357249
1223247174b89368
13a5411b30b48a0
1443c545a170716
151d081b52d5ce5
hexdc8ea50b0ac0

242505212431040 has 112 divisors (see below), whose sum is σ = 621926180592192. Its totient is φ = 89534595526656.

The previous prime is 242505212431037. The next prime is 242505212431117. The reversal of 242505212431040 is 40134212505242.

It is a super-3 number, since 3×2425052124310403 (a number of 44 digits) contains 333 as substring.

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, 62715122 + ... + 66469518.

It is an arithmetic number, because the mean of its divisors is an integer number (5552912326716).

Almost surely, 2242505212431040 is an apocalyptic number.

242505212431040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242505212431040 is an abundant number, since it is smaller than the sum of its proper divisors (379420968161152).

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

242505212431040 is a wasteful number, since it uses less digits than its factorization.

242505212431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769954 (or 3769944 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 242505212431040 its reverse (40134212505242), we get a palindrome (282639424936282).

The spelling of 242505212431040 in words is "two hundred forty-two trillion, five hundred five billion, two hundred twelve million, four hundred thirty-one thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 4160 15527 31054 62108 77635 124216 155270 201851 248432 310540 403702 496864 621080 807404 993728 1009255 1242160 1614808 2018510 2484320 3229616 3754397 4037020 4968640 6459232 7508794 8074040 12918464 15017588 16148080 18771985 30035176 32296160 37543970 48807161 60070352 64592320 75087940 97614322 120140704 150175880 195228644 240281408 244035805 300351760 390457288 488071610 600703520 780914576 976143220 1201407040 1561829152 1952286440 3123658304 3904572880 7809145760 15618291520 58294522219 116589044438 233178088876 291472611095 466356177752 582945222190 757828788847 932712355504 1165890444380 1515657577694 1865424711008 2331780888760 3031315155388 3730849422016 3789143944235 4663561777520 6062630310776 7578287888470 9327123555040 12125260621552 15156575776940 18654247110080 24250521243104 30313151553880 48501042486208 60626303107760 121252606215520 242505212431040