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131330705737 = 7114343990353
BaseRepresentation
bin111101001001111101…
…0111000100101001001
3110112222122220002201111
41322103322320211021
54122431130040422
6140155452450321
712326332402630
oct1722372704511
9415878802644
10131330705737
115077383a040
12215524799a1
13c4cc7a0a8a
1464dc100517
153639abba77
hex1e93eb8949

131330705737 has 32 divisors (see below), whose sum is σ = 167928330240. Its totient is φ = 99726923520.

The previous prime is 131330705707. The next prime is 131330705743. The reversal of 131330705737 is 737507033131.

It is not a de Polignac number, because 131330705737 - 227 = 131196488009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131330705737.

It is not an unprimeable number, because it can be changed into a prime (131330705707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408353 + ... + 1498705.

It is an arithmetic number, because the mean of its divisors is an integer number (5247760320).

Almost surely, 2131330705737 is an apocalyptic number.

It is an amenable number.

131330705737 is a deficient number, since it is larger than the sum of its proper divisors (36597624503).

131330705737 is a wasteful number, since it uses less digits than its factorization.

131330705737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90853.

The product of its (nonzero) digits is 138915, while the sum is 40.

Adding to 131330705737 its reverse (737507033131), we get a palindrome (868837738868).

The spelling of 131330705737 in words is "one hundred thirty-one billion, three hundred thirty million, seven hundred five thousand, seven hundred thirty-seven".

Divisors: 1 7 11 43 77 301 439 473 3073 3311 4829 18877 33803 90353 132139 207647 632471 993883 1453529 3885179 6957181 27196253 39664967 42736969 277654769 299158783 436314637 1705593581 3054202459 11939155067 18761529391 131330705737