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808312054101 = 3833246233149
BaseRepresentation
bin10111100001100110010…
…01110010000101010101
32212021101122201211122020
423300303021302011111
5101220410341212401
61415200004323353
7112253504044626
oct13606311620525
92767348654566
10808312054101
11291892099aa2
121107a60a3559
135b2ba04b096
142b1a025da4d
151605cdccd36
hexbc33272155

808312054101 has 8 divisors (see below), whose sum is σ = 1090734338400. Its totient is φ = 532382236272.

The previous prime is 808312054093. The next prime is 808312054153. The reversal of 808312054101 is 101450213808.

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

It is not a de Polignac number, because 808312054101 - 23 = 808312054093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808312054001) by changing a digit.

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, 1623116326 + ... + 1623116823.

It is an arithmetic number, because the mean of its divisors is an integer number (136341792300).

Almost surely, 2808312054101 is an apocalyptic number.

It is an amenable number.

808312054101 is a deficient number, since it is larger than the sum of its proper divisors (282422284299).

808312054101 is a wasteful number, since it uses less digits than its factorization.

808312054101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246233235.

The product of its (nonzero) digits is 7680, while the sum is 33.

Adding to 808312054101 its reverse (101450213808), we get a palindrome (909762267909).

The spelling of 808312054101 in words is "eight hundred eight billion, three hundred twelve million, fifty-four thousand, one hundred one".

Divisors: 1 3 83 249 3246233149 9738699447 269437351367 808312054101