Base | Representation |
---|---|
bin | 110000000011111111… |
… | …0011110001001001100 |
3 | 100212102002112021120100 |
4 | 1200013332132021030 |
5 | 3142340014011022 |
6 | 115225421251100 |
7 | 10312500203526 |
oct | 1400776361114 |
9 | 325362467510 |
10 | 103213032012 |
11 | 3a85507a662 |
12 | 18005a03a90 |
13 | 996b391c0c |
14 | 4dd1a7ca16 |
15 | 2a4135e1ac |
hex | 1807f9e24c |
103213032012 has 36 divisors (see below), whose sum is σ = 260944507096. Its totient is φ = 34398423360.
The previous prime is 103213032007. The next prime is 103213032077. The reversal of 103213032012 is 210230312301.
103213032012 is a `hidden beast` number, since 10 + 321 + 3 + 0 + 320 + 12 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×1032130320122 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 32038 + ... + 455469.
Almost surely, 2103213032012 is an apocalyptic number.
103213032012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
103213032012 is an abundant number, since it is smaller than the sum of its proper divisors (157731475084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103213032012 is a wasteful number, since it uses less digits than its factorization.
103213032012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 493398 (or 493393 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 103213032012 its reverse (210230312301), we get a palindrome (313443344313).
The spelling of 103213032012 in words is "one hundred three billion, two hundred thirteen million, thirty-two thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •