Base | Representation |
---|---|
bin | 11101001000100011110… |
… | …11100010101000011100 |
3 | 10112200211101011110002010 |
4 | 32210101323202220130 |
5 | 112400101204412423 |
6 | 2043511020231220 |
7 | 132215261213364 |
oct | 16442173425034 |
9 | 3480741143063 |
10 | 1001028200988 |
11 | 356596360582 |
12 | 14200a39b510 |
13 | 735202cabaa |
14 | 36642c159a4 |
15 | 1b08bb68693 |
hex | e911ee2a1c |
1001028200988 has 24 divisors (see below), whose sum is σ = 2335754283408. Its totient is φ = 333672950656.
The previous prime is 1001028200987. The next prime is 1001028200993. The reversal of 1001028200988 is 8890028201001.
It is a super-2 number, since 2×10010282009882 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1001028200981) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212370 + ... + 1863302.
It is an arithmetic number, because the mean of its divisors is an integer number (97323095142).
Almost surely, 21001028200988 is an apocalyptic number.
It is an amenable number.
1001028200988 is an abundant number, since it is smaller than the sum of its proper divisors (1334726082420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001028200988 is a wasteful number, since it uses less digits than its factorization.
1001028200988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 779093 (or 779091 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 39.
The spelling of 1001028200988 in words is "one trillion, one billion, twenty-eight million, two hundred thousand, nine hundred eighty-eight".
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