Base | Representation |
---|---|
bin | 1010101011111110… |
… | …0011111010100101 |
3 | 21101221010120112210 |
4 | 2222333203322211 |
5 | 21333402221101 |
6 | 1152400034033 |
7 | 131043206016 |
oct | 25277437245 |
9 | 7357116483 |
10 | 2868788901 |
11 | 12423a1620 |
12 | 680902919 |
13 | 369463734 |
14 | 1d300d00d |
15 | 11bcc67d6 |
hex | aafe3ea5 |
2868788901 has 16 divisors (see below), whose sum is σ = 4274561088. Its totient is φ = 1696252800.
The previous prime is 2868788899. The next prime is 2868788911. The reversal of 2868788901 is 1098878682.
It is not a de Polignac number, because 2868788901 - 21 = 2868788899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2868788911) 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, 1058806 + ... + 1061511.
It is an arithmetic number, because the mean of its divisors is an integer number (267160068).
Almost surely, 22868788901 is an apocalyptic number.
It is an amenable number.
2868788901 is a deficient number, since it is larger than the sum of its proper divisors (1405772187).
2868788901 is a wasteful number, since it uses less digits than its factorization.
2868788901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2120372.
The product of its (nonzero) digits is 3096576, while the sum is 57.
The square root of 2868788901 is about 53561.0763614773. The cubic root of 2868788901 is about 1420.9087783523.
The spelling of 2868788901 in words is "two billion, eight hundred sixty-eight million, seven hundred eighty-eight thousand, nine hundred one".
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