Base | Representation |
---|---|
bin | 1010001111101011… |
… | …0110110101010011 |
3 | 21002122211022202212 |
4 | 2203322312311103 |
5 | 21113012141110 |
6 | 1132520302335 |
7 | 125102410304 |
oct | 24372666523 |
9 | 7078738685 |
10 | 2750115155 |
11 | 1191406247 |
12 | 6490119ab |
13 | 34a9b2398 |
14 | 1c135a7ab |
15 | 111683e05 |
hex | a3eb6d53 |
2750115155 has 16 divisors (see below), whose sum is σ = 3364495968. Its totient is φ = 2157408000.
The previous prime is 2750115127. The next prime is 2750115187. The reversal of 2750115155 is 5515110572.
It is not a de Polignac number, because 2750115155 - 26 = 2750115091 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87335 + ... + 114575.
It is an arithmetic number, because the mean of its divisors is an integer number (210280998).
Almost surely, 22750115155 is an apocalyptic number.
2750115155 is a deficient number, since it is larger than the sum of its proper divisors (614380813).
2750115155 is a wasteful number, since it uses less digits than its factorization.
2750115155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27638.
The product of its (nonzero) digits is 8750, while the sum is 32.
The square root of 2750115155 is about 52441.5403568583. The cubic root of 2750115155 is about 1401.0392207420.
The spelling of 2750115155 in words is "two billion, seven hundred fifty million, one hundred fifteen thousand, one hundred fifty-five".
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