Base | Representation |
---|---|
bin | 10000001010111111111… |
… | …001010010111001000100 |
3 | 10221020111212120200122000 |
4 | 100022333321102321010 |
5 | 121201441140431322 |
6 | 2210311150305300 |
7 | 143201366616351 |
oct | 20127771227104 |
9 | 3836455520560 |
10 | 1111321030212 |
11 | 399343827608 |
12 | 15b46b1b8230 |
13 | 80a49384a13 |
14 | 3bb06c63628 |
15 | 1dd948053ac |
hex | 102bfe52e44 |
1111321030212 has 24 divisors (see below), whose sum is σ = 2881202671200. Its totient is φ = 370440343368.
The previous prime is 1111321030181. The next prime is 1111321030213. The reversal of 1111321030212 is 2120301231111.
It is a super-2 number, since 2×11113210302122 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (1111321030213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5145004662 + ... + 5145004877.
It is an arithmetic number, because the mean of its divisors is an integer number (120050111300).
Almost surely, 21111321030212 is an apocalyptic number.
1111321030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1111321030212 is an abundant number, since it is smaller than the sum of its proper divisors (1769881640988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1111321030212 is a wasteful number, since it uses less digits than its factorization.
1111321030212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10290009552 (or 10290009544 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 1111321030212 its reverse (2120301231111), we get a palindrome (3231622261323).
The spelling of 1111321030212 in words is "one trillion, one hundred eleven billion, three hundred twenty-one million, thirty thousand, two hundred twelve".
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