Base | Representation |
---|---|
bin | 100101100110111110… |
… | …1000111011110010000 |
3 | 21201110122011000020111 |
4 | 1023031331013132100 |
5 | 2310401234341000 |
6 | 101034113051104 |
7 | 5556266102266 |
oct | 1131575073620 |
9 | 251418130214 |
10 | 80764762000 |
11 | 3128566a09a |
12 | 1379bb56a94 |
13 | 78016ca800 |
14 | 3ca2570436 |
15 | 217a6d4cba |
hex | 12cdf47790 |
80764762000 has 120 divisors (see below), whose sum is σ = 211467882600. Its totient is φ = 29820710400.
The previous prime is 80764761953. The next prime is 80764762037. The reversal of 80764762000 is 26746708.
It can be written as a sum of positive squares in 12 ways, for example, as 79973577616 + 791184384 = 282796^2 + 28128^2 .
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218526 + ... + 457474.
It is an arithmetic number, because the mean of its divisors is an integer number (1762232355).
Almost surely, 280764762000 is an apocalyptic number.
80764762000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80764762000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105733941300).
80764762000 is an abundant number, since it is smaller than the sum of its proper divisors (130703120600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80764762000 is a wasteful number, since it uses less digits than its factorization.
80764762000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238998 (or 238969 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 40.
The spelling of 80764762000 in words is "eighty billion, seven hundred sixty-four million, seven hundred sixty-two thousand".
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