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131043252242 = 2743499343597
BaseRepresentation
bin111101000001011001…
…0010101100000010010
3110112020121222221122202
41322002302111200102
54121334033032432
6140111143403202
712316242160040
oct1720262254022
9415217887582
10131043252242
1150636554a71
1221492153502
13c485076956
1464b1c75390
15361e73a462
hex1e82c95812

131043252242 has 32 divisors (see below), whose sum is σ = 229921203072. Its totient is φ = 54843070464.

The previous prime is 131043252209. The next prime is 131043252247. The reversal of 131043252242 is 242252340131.

It is not an unprimeable number, because it can be changed into a prime (131043252247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2983988 + ... + 3027584.

It is an arithmetic number, because the mean of its divisors is an integer number (7185037596).

Almost surely, 2131043252242 is an apocalyptic number.

131043252242 is a deficient number, since it is larger than the sum of its proper divisors (98877950830).

131043252242 is a wasteful number, since it uses less digits than its factorization.

131043252242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48642.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 131043252242 its reverse (242252340131), we get a palindrome (373295592373).

The spelling of 131043252242 in words is "one hundred thirty-one billion, forty-three million, two hundred fifty-two thousand, two hundred forty-two".

Divisors: 1 2 7 14 43 86 301 602 4993 9986 34951 43597 69902 87194 214699 305179 429398 610358 1502893 1874671 3005786 3749342 13122697 26245394 217679821 435359642 1523758747 3047517494 9360232303 18720464606 65521626121 131043252242