Base | Representation |
---|---|
bin | 100101100110001101… |
… | …0001001010110111001 |
3 | 21201101211022220000210 |
4 | 1023030122021112321 |
5 | 2310323114124330 |
6 | 101031345021333 |
7 | 5555532424245 |
oct | 1131432112671 |
9 | 251354286023 |
10 | 80738817465 |
11 | 31271a59629 |
12 | 13793324849 |
13 | 77c9215707 |
14 | 3c9cd39425 |
15 | 21782ac8b0 |
hex | 12cc6895b9 |
80738817465 has 8 divisors (see below), whose sum is σ = 129182107968. Its totient is φ = 43060702640.
The previous prime is 80738817449. The next prime is 80738817469. The reversal of 80738817465 is 56471883708.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80738817465 - 24 = 80738817449 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80738817469) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2691293901 + ... + 2691293930.
It is an arithmetic number, because the mean of its divisors is an integer number (16147763496).
Almost surely, 280738817465 is an apocalyptic number.
It is an amenable number.
80738817465 is a deficient number, since it is larger than the sum of its proper divisors (48443290503).
80738817465 is a wasteful number, since it uses less digits than its factorization.
80738817465 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5382587839.
The product of its (nonzero) digits is 9031680, while the sum is 57.
The spelling of 80738817465 in words is "eighty billion, seven hundred thirty-eight million, eight hundred seventeen thousand, four hundred sixty-five".
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