Base | Representation |
---|---|
bin | 10111001111111000… |
… | …10101011101101100 |
3 | 1012012211202010102120 |
4 | 23213330111131230 |
5 | 201030202204134 |
6 | 5422301152540 |
7 | 621204124611 |
oct | 134774253554 |
9 | 35184663376 |
10 | 12481288044 |
11 | 53253a8495 |
12 | 2503b5b750 |
13 | 123ba97854 |
14 | 865902508 |
15 | 4d0b3e649 |
hex | 2e7f1576c |
12481288044 has 24 divisors (see below), whose sum is σ = 29158158960. Its totient is φ = 4155407424.
The previous prime is 12481288003. The next prime is 12481288051. The reversal of 12481288044 is 44088218421.
It is a junction number, because it is equal to n+sod(n) for n = 12481287987 and 12481288005.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617379 + ... + 637274.
It is an arithmetic number, because the mean of its divisors is an integer number (1214923290).
Almost surely, 212481288044 is an apocalyptic number.
It is an amenable number.
12481288044 is an abundant number, since it is smaller than the sum of its proper divisors (16676870916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12481288044 is a wasteful number, since it uses less digits than its factorization.
12481288044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1255489 (or 1255487 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 42.
The spelling of 12481288044 in words is "twelve billion, four hundred eighty-one million, two hundred eighty-eight thousand, forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •