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131056452455 = 581463321757
BaseRepresentation
bin111101000001110010…
…0101100001101100111
3110112021112211120221112
41322003210230031213
54121400422434310
6140112334335235
712316462315445
oct1720344541547
9415245746845
10131056452455
1150642a50535
122149665a51b
13c487a19026
1464b390db95
153620996705
hex1e8392c367

131056452455 has 8 divisors (see below), whose sum is σ = 157270162272. Its totient is φ = 104843549088.

The previous prime is 131056452391. The next prime is 131056452487. The reversal of 131056452455 is 554254650131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131056452455 - 26 = 131056452391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246437 + ... + 568193.

It is an arithmetic number, because the mean of its divisors is an integer number (19658770284).

Almost surely, 2131056452455 is an apocalyptic number.

131056452455 is a deficient number, since it is larger than the sum of its proper divisors (26213709817).

131056452455 is an equidigital number, since it uses as much as digits as its factorization.

131056452455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403225.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 131056452455 in words is "one hundred thirty-one billion, fifty-six million, four hundred fifty-two thousand, four hundred fifty-five".

Divisors: 1 5 81463 321757 407315 1608785 26211290491 131056452455