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115243143005142 = 23319991113342837
BaseRepresentation
bin11010001101000000100010…
…100110100000001111010110
3120010001010200210010100001000
4122031000202212200033112
5110101120424102131032
61045033545150444130
733163020341650065
oct3215004246401726
9503033623110030
10115243143005142
11337a13849311a9
1210b12a87503646
134c3c4c693b7a9
142065b255661dc
15d4cb12c80e7c
hex68d0229a03d6

115243143005142 has 64 divisors (see below), whose sum is σ = 269846628710400. Its totient is φ = 36355848075360.

The previous prime is 115243143005021. The next prime is 115243143005143. The reversal of 115243143005142 is 241500341342511.

115243143005142 is a `hidden beast` number, since 1 + 1 + 5 + 24 + 314 + 300 + 5 + 14 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 115243143005097 and 115243143005106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115243143005143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55654653 + ... + 57688184.

It is an arithmetic number, because the mean of its divisors is an integer number (4216353573600).

Almost surely, 2115243143005142 is an apocalyptic number.

115243143005142 is an abundant number, since it is smaller than the sum of its proper divisors (154603485705258).

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

115243143005142 is a wasteful number, since it uses less digits than its factorization.

115243143005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113343858 (or 113343852 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 115243143005142 its reverse (241500341342511), we get a palindrome (356743484347653).

The spelling of 115243143005142 in words is "one hundred fifteen trillion, two hundred forty-three billion, one hundred forty-three million, five thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 991 1026 1982 2973 5946 8919 17838 18829 26757 37658 53514 56487 112974 169461 338922 508383 1016766 113342837 226685674 340028511 680057022 1020085533 2040171066 2153513903 3060256599 4307027806 6120513198 6460541709 12921083418 19381625127 38763250254 58144875381 112322751467 116289750762 224645502934 336968254401 673936508802 1010904763203 2021809526406 2134132277873 3032714289609 4268264555746 6065428579218 6402396833619 12804793667238 19207190500857 38414381001714 57621571502571 115243143005142