Base | Representation |
---|---|
bin | 111011101110101… |
… | …101110011110000 |
3 | 2120211122001111220 |
4 | 323232231303300 |
5 | 4023014231000 |
6 | 243234305040 |
7 | 33555504114 |
oct | 7356556360 |
9 | 2524561456 |
10 | 1002102000 |
11 | 47472a079 |
12 | 23b728180 |
13 | 12c7c4b83 |
14 | 97137744 |
15 | 5ce991a0 |
hex | 3bbadcf0 |
1002102000 has 80 divisors (see below), whose sum is σ = 3230796192. Its totient is φ = 267225600.
The previous prime is 1002101999. The next prime is 1002102041. The reversal of 1002102000 is 2012001.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (6).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a self number, because there is not a number n which added to its sum of digits gives 1002102000.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 77509 + ... + 89508.
Almost surely, 21002102000 is an apocalyptic number.
1002102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1002102000 is an abundant number, since it is smaller than the sum of its proper divisors (2228694192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1002102000 is a wasteful number, since it uses less digits than its factorization.
1002102000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 167043 (or 167027 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 6.
The square root of 1002102000 is about 31655.9946929488. The cubic root of 1002102000 is about 1000.7001763054.
Adding to 1002102000 its reverse (2012001), we get a palindrome (1004114001).
The spelling of 1002102000 in words is "one billion, two million, one hundred two thousand".
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