Base | Representation |
---|---|
bin | 1010001110100111… |
… | …1011111001111111 |
3 | 21002100110222011212 |
4 | 2203221323321333 |
5 | 21110343220422 |
6 | 1132241235035 |
7 | 125016614315 |
oct | 24351737177 |
9 | 7070428155 |
10 | 2745679487 |
11 | 1189956701 |
12 | 647632a7b |
13 | 349abb425 |
14 | 1c09240b5 |
15 | 1110a99e2 |
hex | a3a7be7f |
2745679487 has 16 divisors (see below), whose sum is σ = 2972643840. Its totient is φ = 2528219232.
The previous prime is 2745679477. The next prime is 2745679583. The reversal of 2745679487 is 7849765472.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2745679487 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2745679477) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225518 + ... + 237380.
It is an arithmetic number, because the mean of its divisors is an integer number (185790240).
Almost surely, 22745679487 is an apocalyptic number.
2745679487 is a deficient number, since it is larger than the sum of its proper divisors (226964353).
2745679487 is a wasteful number, since it uses less digits than its factorization.
2745679487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12262.
The product of its digits is 23708160, while the sum is 59.
The square root of 2745679487 is about 52399.2317405513. The cubic root of 2745679487 is about 1400.2855687872.
The spelling of 2745679487 in words is "two billion, seven hundred forty-five million, six hundred seventy-nine thousand, four hundred eighty-seven".
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