Base | Representation |
---|---|
bin | 1001100111010000… |
… | …1111000110010100 |
3 | 20122211212102211010 |
4 | 2121310033012110 |
5 | 20241113414010 |
6 | 1104023212220 |
7 | 120643541451 |
oct | 23164170624 |
9 | 6584772733 |
10 | 2580607380 |
11 | 110475a57a |
12 | 6002a7070 |
13 | 321843120 |
14 | 1a6a34828 |
15 | 10184e620 |
hex | 99d0f194 |
2580607380 has 96 divisors (see below), whose sum is σ = 7947201024. Its totient is φ = 621702144.
The previous prime is 2580607357. The next prime is 2580607399. The reversal of 2580607380 is 837060852.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1464 + ... + 71856.
It is an arithmetic number, because the mean of its divisors is an integer number (82783344).
Almost surely, 22580607380 is an apocalyptic number.
2580607380 is a gapful number since it is divisible by the number (20) 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 2580607380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3973600512).
2580607380 is an abundant number, since it is smaller than the sum of its proper divisors (5366593644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2580607380 is a wasteful number, since it uses less digits than its factorization.
2580607380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70465 (or 70463 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 2580607380 is about 50799.6789359933. The cubic root of 2580607380 is about 1371.6415898339.
It can be divided in two parts, 2580 and 607380, that added together give a triangular number (609960 = T1104).
The spelling of 2580607380 in words is "two billion, five hundred eighty million, six hundred seven thousand, three hundred eighty".
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