Base | Representation |
---|---|
bin | 111101101001010… |
… | …1111001001100000 |
3 | 12100011021011021211 |
4 | 1323102233021200 |
5 | 13214014244110 |
6 | 541131155504 |
7 | 102155016205 |
oct | 17322571140 |
9 | 5304234254 |
10 | 2068509280 |
11 | 97168a702 |
12 | 4988a5b94 |
13 | 26c7134b6 |
14 | 158a0dcac |
15 | c18e698a |
hex | 7b4af260 |
2068509280 has 24 divisors (see below), whose sum is σ = 4886853552. Its totient is φ = 827403648.
The previous prime is 2068509269. The next prime is 2068509299. The reversal of 2068509280 is 829058602.
It is a super-2 number, since 2×20685092802 = 8557461282892236800, which contains 22 as substring.
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 3 ways as a sum of consecutive naturals, for example, 6463932 + ... + 6464251.
It is an arithmetic number, because the mean of its divisors is an integer number (203618898).
Almost surely, 22068509280 is an apocalyptic number.
2068509280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2068509280 is an abundant number, since it is smaller than the sum of its proper divisors (2818344272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2068509280 is a wasteful number, since it uses less digits than its factorization.
2068509280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12928198 (or 12928190 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 40.
The square root of 2068509280 is about 45480.8671861037. The cubic root of 2068509280 is about 1274.1458906112.
The spelling of 2068509280 in words is "two billion, sixty-eight million, five hundred nine thousand, two hundred eighty".
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