Base | Representation |
---|---|
bin | 101111110011011… |
… | …010110001000010 |
3 | 2001220010020022211 |
4 | 233303122301002 |
5 | 3120303230010 |
6 | 211325452334 |
7 | 25605646060 |
oct | 5763326102 |
9 | 2056106284 |
10 | 802008130 |
11 | 381792640 |
12 | 1a47110aa |
13 | ca206c31 |
14 | 7872d030 |
15 | 4a62208a |
hex | 2fcdac42 |
802008130 has 64 divisors (see below), whose sum is σ = 1857945600. Its totient is φ = 241905600.
The previous prime is 802008101. The next prime is 802008139. The reversal of 802008130 is 31800208.
It is a Harshad number since it is a multiple of its sum of digits (22).
802008130 is a modest number, since divided by 8130 gives 8020 as remainder.
It is not an unprimeable number, because it can be changed into a prime (802008139) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7071 + ... + 40669.
It is an arithmetic number, because the mean of its divisors is an integer number (29030400).
Almost surely, 2802008130 is an apocalyptic number.
802008130 is an abundant number, since it is smaller than the sum of its proper divisors (1055937470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
802008130 is a wasteful number, since it uses less digits than its factorization.
802008130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33655.
The product of its (nonzero) digits is 384, while the sum is 22.
The square root of 802008130 is about 28319.7480567889. The cubic root of 802008130 is about 929.0938605258.
Adding to 802008130 its reverse (31800208), we get a palindrome (833808338).
The spelling of 802008130 in words is "eight hundred two million, eight thousand, one hundred thirty".
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