Base | Representation |
---|---|
bin | 1000011110101011… |
… | …0100010111001001 |
3 | 12212121222100000000 |
4 | 2013222310113021 |
5 | 14130143224211 |
6 | 1013505433213 |
7 | 110255641662 |
oct | 20752642711 |
9 | 5777870000 |
10 | 2276148681 |
11 | a68910214 |
12 | 53633b809 |
13 | 2a3743a51 |
14 | 178420369 |
15 | d4c5e656 |
hex | 87ab45c9 |
2276148681 has 81 divisors (see below), whose sum is σ = 3723175053. Its totient is φ = 1391194440.
The previous prime is 2276148659. The next prime is 2276148703. The reversal of 2276148681 is 1868416722.
The square root of 2276148681 is 47709.
It is a perfect power (a square), and thus also a powerful number.
2276148681 is a `hidden beast` number, since 2 + 27 + 614 + 8 + 6 + 8 + 1 = 666.
2276148681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2276148659) and next prime (2276148703).
It is a tau number, because it is divible by the number of its divisors (81).
It is not a de Polignac number, because 2276148681 - 215 = 2276115913 is a prime.
It is a super-2 number, since 2×22761486812 = 10361705636036079522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2276148181) by changing a digit.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 73424136 + ... + 73424166.
Almost surely, 22276148681 is an apocalyptic number.
2276148681 is the 47709-th square number.
2276148681 is the 23855-th centered octagonal number.
It is an amenable number.
2276148681 is a deficient number, since it is larger than the sum of its proper divisors (1447026372).
2276148681 is an frugal number, since it uses more digits than its factorization.
2276148681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 124 (or 53 counting only the distinct ones).
The product of its digits is 258048, while the sum is 45.
The cubic root of 2276148681 is about 1315.4273755330.
The spelling of 2276148681 in words is "two billion, two hundred seventy-six million, one hundred forty-eight thousand, six hundred eighty-one".
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