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131044251002540 = 2259782198218589
BaseRepresentation
bin11101110010111100011110…
…000001111110011010101100
3122011222201010011111112221212
4131302330132001332122230
5114134012111224040130
61142412521533013552
736413430462603641
oct3562743601763254
9564881104445855
10131044251002540
11388336114132a7
12128453066242b8
13581755c5287a5
14245080b5c3dc8
151023b65aece95
hex772f1e07e6ac

131044251002540 has 48 divisors (see below), whose sum is σ = 278063829136800. Its totient is φ = 51870993549312.

The previous prime is 131044251002387. The next prime is 131044251002573. The reversal of 131044251002540 is 45200152440131.

It is a junction number, because it is equal to n+sod(n) for n = 131044251002497 and 131044251002506.

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, 11835566 + ... + 20054154.

It is an arithmetic number, because the mean of its divisors is an integer number (5792996440350).

Almost surely, 2131044251002540 is an apocalyptic number.

131044251002540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131044251002540 is an abundant number, since it is smaller than the sum of its proper divisors (147019578134260).

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

131044251002540 is a wasteful number, since it uses less digits than its factorization.

131044251002540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8226914 (or 8226912 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 131044251002540 in words is "one hundred thirty-one trillion, forty-four billion, two hundred fifty-one million, two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 97 194 388 485 970 1940 8219 16438 32876 41095 82190 164380 797243 1594486 3188972 3986215 7972430 8218589 15944860 16437178 32874356 41092945 82185890 164371780 797203133 1594406266 3188812532 3986015665 7972031330 15944062660 67548582991 135097165982 270194331964 337742914955 675485829910 1350971659820 6552212550127 13104425100254 26208850200508 32761062750635 65522125501270 131044251002540