Base | Representation |
---|---|
bin | 100101101011000100… |
… | …1100011001010110010 |
3 | 21201211012211120002110 |
4 | 1023112021203022302 |
5 | 2311141433121043 |
6 | 101055503430150 |
7 | 5562555453465 |
oct | 1132611431262 |
9 | 251735746073 |
10 | 80902238898 |
11 | 31346228568 |
12 | 13819bb5356 |
13 | 78240335a0 |
14 | 3cb69192dc |
15 | 21877ddb33 |
hex | 12d62632b2 |
80902238898 has 32 divisors (see below), whose sum is σ = 174417264000. Its totient is φ = 24869241216.
The previous prime is 80902238897. The next prime is 80902238917. The reversal of 80902238898 is 89883220908.
It is not an unprimeable number, because it can be changed into a prime (80902238891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412558 + ... + 576201.
It is an arithmetic number, because the mean of its divisors is an integer number (5450539500).
Almost surely, 280902238898 is an apocalyptic number.
80902238898 is an abundant number, since it is smaller than the sum of its proper divisors (93515025102).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80902238898 is a wasteful number, since it uses less digits than its factorization.
80902238898 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 989826.
The product of its (nonzero) digits is 3981312, while the sum is 57.
The spelling of 80902238898 in words is "eighty billion, nine hundred two million, two hundred thirty-eight thousand, eight hundred ninety-eight".
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