Base | Representation |
---|---|
bin | 10001110011000001001… |
… | …000101110001111011110 |
3 | 11022220210201222002112020 |
4 | 101303001020232033132 |
5 | 130014211304020220 |
6 | 2333502110121010 |
7 | 154234231662300 |
oct | 21630110561736 |
9 | 4286721862466 |
10 | 1223011001310 |
11 | 43174890aa4a |
12 | 17903bab0166 |
13 | 8b438a29407 |
14 | 432a067b970 |
15 | 21c2ee70040 |
hex | 11cc122e3de |
1223011001310 has 96 divisors (see below), whose sum is σ = 3478870791072. Its totient is φ = 274270913280.
The previous prime is 1223011001309. The next prime is 1223011001327. The reversal of 1223011001310 is 131001103221.
It is a happy number.
It is a super-2 number, since 2×12230110013102 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 1223011001310.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7770961 + ... + 7926780.
It is an arithmetic number, because the mean of its divisors is an integer number (36238237407).
Almost surely, 21223011001310 is an apocalyptic number.
1223011001310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1223011001310 is an abundant number, since it is smaller than the sum of its proper divisors (2255859789762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1223011001310 is a wasteful number, since it uses less digits than its factorization.
1223011001310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15697818 (or 15697811 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 1223011001310 its reverse (131001103221), we get a palindrome (1354012104531).
The spelling of 1223011001310 in words is "one trillion, two hundred twenty-three billion, eleven million, one thousand, three hundred ten".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •