Base | Representation |
---|---|
bin | 10010101011011101… |
… | …01100011001101100 |
3 | 221212212220021222200 |
4 | 21111232230121230 |
5 | 131014212112234 |
6 | 4335031541500 |
7 | 503336422530 |
oct | 112556543154 |
9 | 27785807880 |
10 | 10028238444 |
11 | 4286751a74 |
12 | 1b3a52a890 |
13 | c3a7c6703 |
14 | 6b1bd3bc0 |
15 | 3da5d9d99 |
hex | 255bac66c |
10028238444 has 72 divisors (see below), whose sum is σ = 29144064768. Its totient is φ = 2848042080.
The previous prime is 10028238413. The next prime is 10028238461. The reversal of 10028238444 is 44483282001.
10028238444 is a `hidden beast` number, since 100 + 2 + 82 + 38 + 444 = 666.
It is a super-2 number, since 2×100282384442 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 10028238399 and 10028238408.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77062 + ... + 161229.
Almost surely, 210028238444 is an apocalyptic number.
10028238444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
10028238444 is an abundant number, since it is smaller than the sum of its proper divisors (19115826324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10028238444 is a wasteful number, since it uses less digits than its factorization.
10028238444 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 238475 (or 238470 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 36.
The spelling of 10028238444 in words is "ten billion, twenty-eight million, two hundred thirty-eight thousand, four hundred forty-four".
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