Base | Representation |
---|---|
bin | 1011000000111100111111… |
… | …1110001101101010011111 |
3 | 1120212210121112220221210210 |
4 | 2300033033332031222133 |
5 | 3041411313003000111 |
6 | 41431414552103503 |
7 | 2356663630313604 |
oct | 260171776155237 |
9 | 46783545827723 |
10 | 12111002000031 |
11 | 394a279994410 |
12 | 143723a094b93 |
13 | 69b0a76770cc |
14 | 2dc265cb06ab |
15 | 16007ce920a6 |
hex | b03cff8da9f |
12111002000031 has 16 divisors (see below), whose sum is σ = 17626383664128. Its totient is φ = 7335675897600.
The previous prime is 12111002000017. The next prime is 12111002000039. The reversal of 12111002000031 is 13000020011121.
It is not a de Polignac number, because 12111002000031 - 210 = 12111001999007 is a prime.
It is a super-2 number, since 2×121110020000312 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12111001999980 and 12111002000016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12111002000039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108076015 + ... + 108188016.
It is an arithmetic number, because the mean of its divisors is an integer number (1101648979008).
Almost surely, 212111002000031 is an apocalyptic number.
12111002000031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12111002000031 is a deficient number, since it is larger than the sum of its proper divisors (5515381664097).
12111002000031 is a wasteful number, since it uses less digits than its factorization.
12111002000031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 216265742.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 12111002000031 its reverse (13000020011121), we get a palindrome (25111022011152).
The spelling of 12111002000031 in words is "twelve trillion, one hundred eleven billion, two million, thirty-one", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •