Base | Representation |
---|---|
bin | 1000000000001010… |
… | …0011010111000001 |
3 | 12112201010110121200 |
4 | 2000002203113001 |
5 | 13344411342034 |
6 | 553054211413 |
7 | 104142666030 |
oct | 20002432701 |
9 | 5481113550 |
10 | 2148152769 |
11 | a02637a74 |
12 | 4bb4b3b69 |
13 | 28307a519 |
14 | 165422717 |
15 | c88c9a99 |
hex | 800a35c1 |
2148152769 has 12 divisors (see below), whose sum is σ = 3546157056. Its totient is φ = 1227515832.
The previous prime is 2148152767. The next prime is 2148152789. The reversal of 2148152769 is 9672518412.
2148152769 is a `hidden beast` number, since 21 + 48 + 1 + 527 + 69 = 666.
It is not a de Polignac number, because 2148152769 - 21 = 2148152767 is a prime.
It is a super-2 number, since 2×21481527692 = 9229120637924734722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2148152761) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17048769 + ... + 17048894.
It is an arithmetic number, because the mean of its divisors is an integer number (295513088).
Almost surely, 22148152769 is an apocalyptic number.
It is an amenable number.
2148152769 is a deficient number, since it is larger than the sum of its proper divisors (1398004287).
2148152769 is a wasteful number, since it uses less digits than its factorization.
2148152769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34097676 (or 34097673 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 2148152769 is about 46348.1689929602. The cubic root of 2148152769 is about 1290.2931387185.
The spelling of 2148152769 in words is "two billion, one hundred forty-eight million, one hundred fifty-two thousand, seven hundred sixty-nine".
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