Base | Representation |
---|---|
bin | 100100010111010000… |
… | …1111001111100010110 |
3 | 21110120020012122000002 |
4 | 1020232201321330112 |
5 | 2234412023120400 |
6 | 55512444451302 |
7 | 5433100325123 |
oct | 1105641717426 |
9 | 243506178002 |
10 | 78090051350 |
11 | 30132886423 |
12 | 13174249b32 |
13 | 7496529b9c |
14 | 3acb24174a |
15 | 2070997ed5 |
hex | 122e879f16 |
78090051350 has 12 divisors (see below), whose sum is σ = 145247495604. Its totient is φ = 31236020520.
The previous prime is 78090051349. The next prime is 78090051367. The reversal of 78090051350 is 5315009087.
It is a super-2 number, since 2×780900513502 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 780900464 + ... + 780900563.
It is an arithmetic number, because the mean of its divisors is an integer number (12103957967).
Almost surely, 278090051350 is an apocalyptic number.
78090051350 is a deficient number, since it is larger than the sum of its proper divisors (67157444254).
78090051350 is a wasteful number, since it uses less digits than its factorization.
78090051350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1561801039 (or 1561801034 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 38.
The spelling of 78090051350 in words is "seventy-eight billion, ninety million, fifty-one thousand, three hundred fifty".
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