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131522070446 = 21319266239009
BaseRepresentation
bin111101001111101010…
…0111000011110101110
3110120110222222102202022
41322133110320132232
54123324122223241
6140230450230142
712334145103344
oct1723724703656
9416428872668
10131522070446
1150861864198
12215a6585352
13c530323730
1465196b5994
15364b7bc54b
hex1e9f5387ae

131522070446 has 16 divisors (see below), whose sum is σ = 223640768400. Its totient is φ = 57507625728.

The previous prime is 131522070437. The next prime is 131522070479. The reversal of 131522070446 is 644070225131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133119011 + ... + 133119998.

It is an arithmetic number, because the mean of its divisors is an integer number (13977548025).

Almost surely, 2131522070446 is an apocalyptic number.

131522070446 is a deficient number, since it is larger than the sum of its proper divisors (92118697954).

131522070446 is a wasteful number, since it uses less digits than its factorization.

131522070446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266239043.

The product of its (nonzero) digits is 40320, while the sum is 35.

Adding to 131522070446 its reverse (644070225131), we get a palindrome (775592295577).

The spelling of 131522070446 in words is "one hundred thirty-one billion, five hundred twenty-two million, seventy thousand, four hundred forty-six".

Divisors: 1 2 13 19 26 38 247 494 266239009 532478018 3461107117 5058541171 6922214234 10117082342 65761035223 131522070446