Base | Representation |
---|---|
bin | 1010000111010101… |
… | …1011100001100001 |
3 | 21000020000022100001 |
4 | 2201311123201201 |
5 | 21030033410040 |
6 | 1125230500001 |
7 | 124166202436 |
oct | 24165334141 |
9 | 7006008301 |
10 | 2715138145 |
11 | 1173696525 |
12 | 639364601 |
13 | 343686c25 |
14 | 1ba853b8d |
15 | 10d57559a |
hex | a1d5b861 |
2715138145 has 8 divisors (see below), whose sum is σ = 3258493056. Its totient is φ = 2171892336.
The previous prime is 2715138143. The next prime is 2715138149. The reversal of 2715138145 is 5418315172.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2715138145 - 21 = 2715138143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2715138143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44794 + ... + 86236.
It is an arithmetic number, because the mean of its divisors is an integer number (407311632).
Almost surely, 22715138145 is an apocalyptic number.
It is an amenable number.
2715138145 is a deficient number, since it is larger than the sum of its proper divisors (543354911).
2715138145 is a wasteful number, since it uses less digits than its factorization.
2715138145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54551.
The product of its digits is 33600, while the sum is 37.
The square root of 2715138145 is about 52106.9874872843. The cubic root of 2715138145 is about 1395.0742105834.
The spelling of 2715138145 in words is "two billion, seven hundred fifteen million, one hundred thirty-eight thousand, one hundred forty-five".
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