Base | Representation |
---|---|
bin | 100101010000010110… |
… | …1001010111010000000 |
3 | 21122111201122221102010 |
4 | 1022200231022322000 |
5 | 2302322413411130 |
6 | 100430513452520 |
7 | 5531420303442 |
oct | 1124055127200 |
9 | 248451587363 |
10 | 80005607040 |
11 | 30a260967a7 |
12 | 13609871140 |
13 | 7710348ca8 |
14 | 3c2d7d8492 |
15 | 2133c2a0b0 |
hex | 12a0b4ae80 |
80005607040 has 64 divisors (see below), whose sum is σ = 255017878560. Its totient is φ = 21334828032.
The previous prime is 80005606991. The next prime is 80005607053. The reversal of 80005607040 is 4070650008.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (64).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 80005606989 and 80005607007.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20832874 + ... + 20836713.
Almost surely, 280005607040 is an apocalyptic number.
80005607040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80005607040 is an abundant number, since it is smaller than the sum of its proper divisors (175012271520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80005607040 is a wasteful number, since it uses less digits than its factorization.
80005607040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41669609 (or 41669597 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 30.
The spelling of 80005607040 in words is "eighty billion, five million, six hundred seven thousand, forty".
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