Base | Representation |
---|---|
bin | 1001101100001000… |
… | …0001111000100111 |
3 | 20201021020111220101 |
4 | 2123002001320213 |
5 | 20311324003422 |
6 | 1110032244531 |
7 | 121312065541 |
oct | 23302017047 |
9 | 6637214811 |
10 | 2601000487 |
11 | 1115219188 |
12 | 6070a0747 |
13 | 325b33457 |
14 | 1a9622691 |
15 | 10352bc27 |
hex | 9b081e27 |
2601000487 has 4 divisors (see below), whose sum is σ = 2603448400. Its totient is φ = 2598552576.
The previous prime is 2601000431. The next prime is 2601000499. The reversal of 2601000487 is 7840001062.
It is a semiprime because it is the product of two primes.
It is a 10-Lehmer number, since φ(2601000487) divides (2601000487-1)10.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2601000487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2601000407) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222362 + ... + 1224487.
It is an arithmetic number, because the mean of its divisors is an integer number (650862100).
Almost surely, 22601000487 is an apocalyptic number.
2601000487 is a deficient number, since it is larger than the sum of its proper divisors (2447913).
2601000487 is a wasteful number, since it uses less digits than its factorization.
2601000487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447912.
The product of its (nonzero) digits is 2688, while the sum is 28.
The square root of 2601000487 is about 51000.0047745096. The cubic root of 2601000487 is about 1375.2452211896.
The spelling of 2601000487 in words is "two billion, six hundred one million, four hundred eighty-seven", and thus it is an aban number.
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