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800000000108 = 221421931406539
BaseRepresentation
bin10111010010000111011…
…01110100000001101100
32211110221101010202010122
423221003231310001230
5101101400000000413
61411303120224112
7111540513542231
oct13510355640154
92743841122118
10800000000108
11289307164891
1210b06646b038
135a593c7973a
142aa12365788
1515c232e2108
hexba43b7406c

800000000108 has 12 divisors (see below), whose sum is σ = 1400010841320. Its totient is φ = 399996902592.

The previous prime is 800000000101. The next prime is 800000000117. The reversal of 800000000108 is 801000000008.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (800000000101) 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 3 ways as a sum of consecutive naturals, for example, 134498 + ... + 1272041.

It is an arithmetic number, because the mean of its divisors is an integer number (116667570110).

Almost surely, 2800000000108 is an apocalyptic number.

It is an amenable number.

800000000108 is a deficient number, since it is larger than the sum of its proper divisors (600010841212).

800000000108 is a wasteful number, since it uses less digits than its factorization.

800000000108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548736 (or 1548734 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The spelling of 800000000108 in words is "eight hundred billion, one hundred eight", and thus it is an aban number.

Divisors: 1 2 4 142193 284386 568772 1406539 2813078 5626156 200000000027 400000000054 800000000108