Base | Representation |
---|---|
bin | 100100011101101001000… |
… | …001110011000011001100 |
3 | 22212112201111022202011102 |
4 | 210131221001303003030 |
5 | 312023212332344432 |
6 | 5155040543242232 |
7 | 346014163453325 |
oct | 44355101630314 |
9 | 8775644282142 |
10 | 2505728012492 |
11 | 886745158901 |
12 | 3457632a9378 |
13 | 15239b30a543 |
14 | 893c672144c |
15 | 452a691e962 |
hex | 247690730cc |
2505728012492 has 24 divisors (see below), whose sum is σ = 4503630299616. Its totient is φ = 1218977883648.
The previous prime is 2505728012441. The next prime is 2505728012581. The reversal of 2505728012492 is 2942108275052.
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, 8575433 + ... + 8862815.
It is an arithmetic number, because the mean of its divisors is an integer number (187651262484).
Almost surely, 22505728012492 is an apocalyptic number.
It is an amenable number.
2505728012492 is a deficient number, since it is larger than the sum of its proper divisors (1997902287124).
2505728012492 is a wasteful number, since it uses less digits than its factorization.
2505728012492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346337 (or 346335 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 47.
The spelling of 2505728012492 in words is "two trillion, five hundred five billion, seven hundred twenty-eight million, twelve thousand, four hundred ninety-two".
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