Base | Representation |
---|---|
bin | 111111011110111… |
… | …0100110001011010 |
3 | 12111110020010110122 |
4 | 1332331310301122 |
5 | 13330303324104 |
6 | 551212113242 |
7 | 103533600326 |
oct | 17675646132 |
9 | 5443203418 |
10 | 2130136154 |
11 | 9a3451903 |
12 | 4b5465822 |
13 | 27c40cac3 |
14 | 162c92986 |
15 | c701b6be |
hex | 7ef74c5a |
2130136154 has 4 divisors (see below), whose sum is σ = 3195204234. Its totient is φ = 1065068076.
The previous prime is 2130136121. The next prime is 2130136241. The reversal of 2130136154 is 4516310312.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 2106351025 + 23785129 = 45895^2 + 4877^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532534037 + ... + 532534040.
Almost surely, 22130136154 is an apocalyptic number.
2130136154 is a deficient number, since it is larger than the sum of its proper divisors (1065068080).
2130136154 is a wasteful number, since it uses less digits than its factorization.
2130136154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1065068079.
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 2130136154 is about 46153.3980764147. The cubic root of 2130136154 is about 1286.6757657131.
Adding to 2130136154 its reverse (4516310312), we get a palindrome (6646446466).
The spelling of 2130136154 in words is "two billion, one hundred thirty million, one hundred thirty-six thousand, one hundred fifty-four".
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