Base | Representation |
---|---|
bin | 101010001110110111… |
… | …0110101010011000010 |
3 | 22200002120010022220222 |
4 | 1110131232311103002 |
5 | 2441214420120120 |
6 | 105355220303042 |
7 | 6360313611002 |
oct | 1243556652302 |
9 | 280076108828 |
10 | 90693129410 |
11 | 3550a9a8514 |
12 | 156b0b41a82 |
13 | 87245c7320 |
14 | 4564da8002 |
15 | 255c143525 |
hex | 151dbb54c2 |
90693129410 has 64 divisors (see below), whose sum is σ = 182108515680. Its totient is φ = 32289116160.
The previous prime is 90693129361. The next prime is 90693129469. The reversal of 90693129410 is 1492139609.
It is a happy number.
It is a Cunningham number, because it is equal to 3011532+1.
It can be written as a sum of positive squares in 16 ways, for example, as 1116829561 + 89576299849 = 33419^2 + 299293^2 .
It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 2898650 + ... + 2929770.
Almost surely, 290693129410 is an apocalyptic number.
90693129410 is an abundant number, since it is smaller than the sum of its proper divisors (91415386270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
90693129410 is a wasteful number, since it uses less digits than its factorization.
90693129410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31943.
The product of its (nonzero) digits is 104976, while the sum is 44.
The spelling of 90693129410 in words is "ninety billion, six hundred ninety-three million, one hundred twenty-nine thousand, four hundred ten".
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