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131321046662 = 21312134163899
BaseRepresentation
bin111101001001101011…
…0000010011010000110
3110112221222201100221222
41322103112002122012
54122421141443122
6140154505440342
712326154323231
oct1722326023206
9415858640858
10131321046662
1150769342033
122154b1a00b2
13c4ca79b450
1464dab08418
153638d0eb42
hex1e93582686

131321046662 has 16 divisors (see below), whose sum is σ = 212308933200. Its totient is φ = 60559732512.

The previous prime is 131321046653. The next prime is 131321046673. The reversal of 131321046662 is 266640123131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050412 + ... + 2113487.

It is an arithmetic number, because the mean of its divisors is an integer number (13269308325).

Almost surely, 2131321046662 is an apocalyptic number.

131321046662 is a deficient number, since it is larger than the sum of its proper divisors (80987886538).

131321046662 is a wasteful number, since it uses less digits than its factorization.

131321046662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165127.

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 131321046662 its reverse (266640123131), we get a palindrome (397961169793).

The spelling of 131321046662 in words is "one hundred thirty-one billion, three hundred twenty-one million, forty-six thousand, six hundred sixty-two".

Divisors: 1 2 13 26 1213 2426 15769 31538 4163899 8327798 54130687 108261374 5050809487 10101618974 65660523331 131321046662