Base | Representation |
---|---|
bin | 110111101011101… |
… | …0001100001011010 |
3 | 11211012200010122010 |
4 | 1233113101201122 |
5 | 12311300401213 |
6 | 505221410350 |
7 | 64204620600 |
oct | 15727214132 |
9 | 4735603563 |
10 | 1868372058 |
11 | 879713643 |
12 | 4418699b6 |
13 | 23a10b8c7 |
14 | 13a1d3870 |
15 | ae061ac3 |
hex | 6f5d185a |
1868372058 has 48 divisors (see below), whose sum is σ = 4385370240. Its totient is φ = 529087104.
The previous prime is 1868372039. The next prime is 1868372069. The reversal of 1868372058 is 8502738681.
It is a junction number, because it is equal to n+sod(n) for n = 1868371998 and 1868372016.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5103 + ... + 61341.
It is an arithmetic number, because the mean of its divisors is an integer number (91361880).
Almost surely, 21868372058 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1868372058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2192685120).
1868372058 is an abundant number, since it is smaller than the sum of its proper divisors (2516998182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1868372058 is a wasteful number, since it uses less digits than its factorization.
1868372058 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56371 (or 56364 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 48.
The square root of 1868372058 is about 43224.6695533928. The cubic root of 1868372058 is about 1231.6513519295.
The spelling of 1868372058 in words is "one billion, eight hundred sixty-eight million, three hundred seventy-two thousand, fifty-eight".
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