Base | Representation |
---|---|
bin | 1010001010111100… |
… | …1110111011100111 |
3 | 21001021112011000220 |
4 | 2202233032323213 |
5 | 21042423302134 |
6 | 1130531335423 |
7 | 124442042556 |
oct | 24257167347 |
9 | 7037464026 |
10 | 2730290919 |
11 | 11811a5a84 |
12 | 642451573 |
13 | 346860c75 |
14 | 1bc879d9d |
15 | 10ea6a149 |
hex | a2bceee7 |
2730290919 has 16 divisors (see below), whose sum is σ = 3712636512. Its totient is φ = 1784135808.
The previous prime is 2730290909. The next prime is 2730291029. The reversal of 2730290919 is 9190920372.
It is a happy number.
It is not a de Polignac number, because 2730290919 - 215 = 2730258151 is a prime.
It is a super-2 number, since 2×27302909192 = 14908977004747729122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2730290909) 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, 169917 + ... + 185289.
It is an arithmetic number, because the mean of its divisors is an integer number (232039782).
Almost surely, 22730290919 is an apocalyptic number.
2730290919 is a deficient number, since it is larger than the sum of its proper divisors (982345593).
2730290919 is a wasteful number, since it uses less digits than its factorization.
2730290919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16546.
The product of its (nonzero) digits is 61236, while the sum is 42.
The square root of 2730290919 is about 52252.1857820321. The cubic root of 2730290919 is about 1397.6646301253.
The spelling of 2730290919 in words is "two billion, seven hundred thirty million, two hundred ninety thousand, nine hundred nineteen".
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