Base | Representation |
---|---|
bin | 111101011001100… |
… | …110111001011100 |
3 | 2122210100200020102 |
4 | 331121212321130 |
5 | 4102202414400 |
6 | 250115040232 |
7 | 34345621226 |
oct | 7531467134 |
9 | 2583320212 |
10 | 1030123100 |
11 | 489528806 |
12 | 248ba0078 |
13 | 1355561c6 |
14 | 9ab4d416 |
15 | 606819d5 |
hex | 3d666e5c |
1030123100 has 36 divisors (see below), whose sum is σ = 2246007288. Its totient is φ = 410088000.
The previous prime is 1030123033. The next prime is 1030123117. The reversal of 1030123100 is 13210301.
It is a super-2 number, since 2×10301231002 = 2122307202307220000, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3311 + ... + 45510.
Almost surely, 21030123100 is an apocalyptic number.
1030123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1030123100 is an abundant number, since it is smaller than the sum of its proper divisors (1215884188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030123100 is a wasteful number, since it uses less digits than its factorization.
1030123100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49046 (or 49039 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 1030123100 is about 32095.5308415362. The cubic root of 1030123100 is about 1009.9418650981.
Adding to 1030123100 its reverse (13210301), we get a palindrome (1043333401).
The spelling of 1030123100 in words is "one billion, thirty million, one hundred twenty-three thousand, one hundred".
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