Base | Representation |
---|---|
bin | 101000100010001… |
… | …000111000011000 |
3 | 1202101121111122100 |
4 | 220202020320120 |
5 | 2343042203122 |
6 | 151251323400 |
7 | 22565140551 |
oct | 5042107030 |
9 | 1671544570 |
10 | 680037912 |
11 | 319955604 |
12 | 16b8b0560 |
13 | aab702c8 |
14 | 6645d328 |
15 | 3ea7caac |
hex | 28888e18 |
680037912 has 48 divisors (see below), whose sum is σ = 1876530240. Its totient is φ = 222401088.
The previous prime is 680037881. The next prime is 680037923. The reversal of 680037912 is 219730086.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85288 + ... + 92919.
It is an arithmetic number, because the mean of its divisors is an integer number (39094380).
Almost surely, 2680037912 is an apocalyptic number.
It is an amenable number.
680037912 is an abundant number, since it is smaller than the sum of its proper divisors (1196492328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680037912 is a wasteful number, since it uses less digits than its factorization.
680037912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178272 (or 178265 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 680037912 is about 26077.5365400952. The cubic root of 680037912 is about 879.3822765403.
Adding to 680037912 its reverse (219730086), we get a palindrome (899767998).
The spelling of 680037912 in words is "six hundred eighty million, thirty-seven thousand, nine hundred twelve".
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