Base | Representation |
---|---|
bin | 110111100100000… |
… | …1111001000110010 |
3 | 11210221020212022210 |
4 | 1233020033020302 |
5 | 12304243231010 |
6 | 505001112550 |
7 | 64126252233 |
oct | 15710171062 |
9 | 4727225283 |
10 | 1864430130 |
11 | 877470a52 |
12 | 440488756 |
13 | 23935b5c4 |
14 | 13988908a |
15 | ada33b20 |
hex | 6f20f232 |
1864430130 has 16 divisors (see below), whose sum is σ = 4474632384. Its totient is φ = 497181360.
The previous prime is 1864430129. The next prime is 1864430143. The reversal of 1864430130 is 310344681.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 62147671 = 1864430130 / (1 + 8 + 6 + 4 + 4 + 3 + 0 + 1 + 3 + 0).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31073806 + ... + 31073865.
It is an arithmetic number, because the mean of its divisors is an integer number (279664524).
Almost surely, 21864430130 is an apocalyptic number.
1864430130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1864430130 is an abundant number, since it is smaller than the sum of its proper divisors (2610202254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1864430130 is a wasteful number, since it uses less digits than its factorization.
1864430130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62147681.
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 1864430130 is about 43179.0473493800. The cubic root of 1864430130 is about 1230.7845546580.
The spelling of 1864430130 in words is "one billion, eight hundred sixty-four million, four hundred thirty thousand, one hundred thirty".
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