Base | Representation |
---|---|
bin | 1001101001101… |
… | …10110000101011 |
3 | 12122100102121210 |
4 | 10310312300223 |
5 | 131211332101 |
6 | 12011204203 |
7 | 2002121355 |
oct | 464666053 |
9 | 178312553 |
10 | 80964651 |
11 | 4177aa39 |
12 | 23146663 |
13 | 13a0a4a1 |
14 | aa780d5 |
15 | 71947d6 |
hex | 4d36c2b |
80964651 has 8 divisors (see below), whose sum is σ = 109319680. Its totient is φ = 53293032.
The previous prime is 80964647. The next prime is 80964661. The reversal of 80964651 is 15646908.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 80964651 - 22 = 80964647 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (80964601) 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, 170575 + ... + 171048.
It is an arithmetic number, because the mean of its divisors is an integer number (13664960).
Almost surely, 280964651 is an apocalyptic number.
80964651 is a deficient number, since it is larger than the sum of its proper divisors (28355029).
80964651 is a wasteful number, since it uses less digits than its factorization.
80964651 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341705.
The product of its (nonzero) digits is 51840, while the sum is 39.
The square root of 80964651 is about 8998.0359523620. The cubic root of 80964651 is about 432.6119210945.
The spelling of 80964651 in words is "eighty million, nine hundred sixty-four thousand, six hundred fifty-one".
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