Base | Representation |
---|---|
bin | 100101010110010010… |
… | …1110111101111000110 |
3 | 21200000121220011201002 |
4 | 1022230211313233012 |
5 | 2303224441120402 |
6 | 100502355533302 |
7 | 5536361264564 |
oct | 1125445675706 |
9 | 250017804632 |
10 | 80205020102 |
11 | 31018708789 |
12 | 136645ba232 |
13 | 774275909c |
14 | 3c4c0a6a34 |
15 | 21464ba602 |
hex | 12ac977bc6 |
80205020102 has 16 divisors (see below), whose sum is σ = 124249379760. Its totient is φ = 38800670688.
The previous prime is 80205020099. The next prime is 80205020113. The reversal of 80205020102 is 20102050208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014273 + ... + 3040764.
It is an arithmetic number, because the mean of its divisors is an integer number (7765586235).
Almost surely, 280205020102 is an apocalyptic number.
80205020102 is a deficient number, since it is larger than the sum of its proper divisors (44044359658).
80205020102 is a wasteful number, since it uses less digits than its factorization.
80205020102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6055255.
The product of its (nonzero) digits is 320, while the sum is 20.
The spelling of 80205020102 in words is "eighty billion, two hundred five million, twenty thousand, one hundred two".
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