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81482992096301 = 127641598362963
BaseRepresentation
bin10010100001101110111100…
…110011001001010000101101
3101200111200211211010010121022
4102201232330303021100231
541140004131434040201
6445144434135543525
723106644335005665
oct2241567463112055
9350450754103538
1081482992096301
1123a65819865774
12917bb4922aba5
133660a75748a83
141619b254851a5
1596485da9941b
hex4a1bbccc942d

81482992096301 has 4 divisors (see below), whose sum is σ = 82124590459392. Its totient is φ = 80841393733212.

The previous prime is 81482992096249. The next prime is 81482992096309. The reversal of 81482992096301 is 10369029928418.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-81482992096301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81482992096309) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 320799181355 + ... + 320799181608.

It is an arithmetic number, because the mean of its divisors is an integer number (20531147614848).

Almost surely, 281482992096301 is an apocalyptic number.

It is an amenable number.

81482992096301 is a deficient number, since it is larger than the sum of its proper divisors (641598363091).

81482992096301 is a wasteful number, since it uses less digits than its factorization.

81482992096301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641598363090.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 81482992096301 in words is "eighty-one trillion, four hundred eighty-two billion, nine hundred ninety-two million, ninety-six thousand, three hundred one".

Divisors: 1 127 641598362963 81482992096301