Base | Representation |
---|---|
bin | 10001111001110110001… |
… | …111101010011110010000 |
3 | 11100121201211011121111120 |
4 | 101321312033222132100 |
5 | 130124221140324042 |
6 | 2341113515442240 |
7 | 154614040251630 |
oct | 21716617523620 |
9 | 4317654147446 |
10 | 1230344464272 |
11 | 434871414240 |
12 | 17a547a56380 |
13 | 8c037148401 |
14 | 437985dc6c0 |
15 | 2200dba7dec |
hex | 11e763ea790 |
1230344464272 has 80 divisors (see below), whose sum is σ = 3962667896832. Its totient is φ = 319569989760.
The previous prime is 1230344464267. The next prime is 1230344464289. The reversal of 1230344464272 is 2724644430321.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166439008 + ... + 166446399.
Almost surely, 21230344464272 is an apocalyptic number.
1230344464272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1230344464272 is an abundant number, since it is smaller than the sum of its proper divisors (2732323432560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230344464272 is a wasteful number, since it uses less digits than its factorization.
1230344464272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 332885436 (or 332885430 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 42.
Adding to 1230344464272 its reverse (2724644430321), we get a palindrome (3954988894593).
The spelling of 1230344464272 in words is "one trillion, two hundred thirty billion, three hundred forty-four million, four hundred sixty-four thousand, two hundred seventy-two".
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