Base | Representation |
---|---|
bin | 11011111101111111… |
… | …111110011010000000 |
3 | 2212111221000112121012 |
4 | 123331333332122000 |
5 | 443000442210422 |
6 | 21443545020052 |
7 | 2112126034301 |
oct | 337577763200 |
9 | 85457015535 |
10 | 30031210112 |
11 | 11810920712 |
12 | 59a1484628 |
13 | 2aa79a1b17 |
14 | 164c6507a8 |
15 | bab7414e2 |
hex | 6fdffe680 |
30031210112 has 16 divisors (see below), whose sum is σ = 59827801650. Its totient is φ = 15015604992.
The previous prime is 30031210093. The next prime is 30031210151. The reversal of 30031210112 is 21101213003.
It can be written as a sum of positive squares in only one way, i.e., 17186161216 + 12845048896 = 131096^2 + 113336^2 .
It is a tau number, because it is divible by the number of its divisors (16).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117309287 + ... + 117309542.
Almost surely, 230031210112 is an apocalyptic number.
30031210112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
30031210112 is a deficient number, since it is larger than the sum of its proper divisors (29796591538).
30031210112 is an equidigital number, since it uses as much as digits as its factorization.
30031210112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 234618843 (or 234618831 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 30031210112 its reverse (21101213003), we get a palindrome (51132423115).
The spelling of 30031210112 in words is "thirty billion, thirty-one million, two hundred ten thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •