Base | Representation |
---|---|
bin | 100101101010111110… |
… | …0101111010001111101 |
3 | 21201210222111221102102 |
4 | 1023111330233101331 |
5 | 2311140103140022 |
6 | 101055303434445 |
7 | 5562515065601 |
oct | 1132574572175 |
9 | 251728457372 |
10 | 80898880637 |
11 | 31344344443 |
12 | 13818a55a25 |
13 | 7823428b53 |
14 | 3cb62c3501 |
15 | 2187378a92 |
hex | 12d5f2f47d |
80898880637 has 8 divisors (see below), whose sum is σ = 85233525600. Its totient is φ = 76571916624.
The previous prime is 80898880603. The next prime is 80898880639. The reversal of 80898880637 is 73608889808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-80898880637 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80898880639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1898603 + ... + 1940744.
It is an arithmetic number, because the mean of its divisors is an integer number (10654190700).
Almost surely, 280898880637 is an apocalyptic number.
It is an amenable number.
80898880637 is a deficient number, since it is larger than the sum of its proper divisors (4334644963).
80898880637 is a wasteful number, since it uses less digits than its factorization.
80898880637 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3840475.
The product of its (nonzero) digits is 37158912, while the sum is 65.
The spelling of 80898880637 in words is "eighty billion, eight hundred ninety-eight million, eight hundred eighty thousand, six hundred thirty-seven".
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