Base | Representation |
---|---|
bin | 100101100100011001… |
… | …1010001011111010000 |
3 | 21201020121110001111200 |
4 | 1023020303101133100 |
5 | 2310212120424004 |
6 | 101021343511200 |
7 | 5554166124342 |
oct | 1131063213720 |
9 | 251217401450 |
10 | 80678295504 |
11 | 31240881584 |
12 | 13776bb8500 |
13 | 77b9814cc1 |
14 | 3c94ca3292 |
15 | 2172d05239 |
hex | 12c8cd17d0 |
80678295504 has 30 divisors (see below), whose sum is σ = 225787174626. Its totient is φ = 26892765120.
The previous prime is 80678295499. The next prime is 80678295527. The reversal of 80678295504 is 40559287608.
80678295504 is a `hidden beast` number, since 8 + 0 + 6 + 7 + 82 + 9 + 550 + 4 = 666.
It can be written as a sum of positive squares in only one way, i.e., 56004169104 + 24674126400 = 236652^2 + 157080^2 .
It is a super-2 number, since 2×806782955042 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 5 ways as a sum of consecutive naturals, for example, 280132827 + ... + 280133114.
Almost surely, 280678295504 is an apocalyptic number.
It is an amenable number.
80678295504 is an abundant number, since it is smaller than the sum of its proper divisors (145108879122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80678295504 is a wasteful number, since it uses less digits than its factorization.
80678295504 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560265955 (or 560265946 counting only the distinct ones).
The product of its (nonzero) digits is 4838400, while the sum is 54.
The spelling of 80678295504 in words is "eighty billion, six hundred seventy-eight million, two hundred ninety-five thousand, five hundred four".
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