Base | Representation |
---|---|
bin | 1000010010111111… |
… | …0011111010111011 |
3 | 12202012201201110012 |
4 | 2010233303322323 |
5 | 14030121012242 |
6 | 1004555012135 |
7 | 106122154364 |
oct | 20457637273 |
9 | 5665651405 |
10 | 2227125947 |
11 | a43177762 |
12 | 521a3a04b |
13 | 29653b407 |
14 | 171adcb6b |
15 | d07c9282 |
hex | 84bf3ebb |
2227125947 has 4 divisors (see below), whose sum is σ = 2227545216. Its totient is φ = 2226706680.
The previous prime is 2227125913. The next prime is 2227126001. The reversal of 2227125947 is 7495217222.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7495217222 = 2 ⋅3747608611.
It is a cyclic number.
It is not a de Polignac number, because 2227125947 - 228 = 1958690491 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2227125347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201563 + ... + 212324.
It is an arithmetic number, because the mean of its divisors is an integer number (556886304).
Almost surely, 22227125947 is an apocalyptic number.
2227125947 is a deficient number, since it is larger than the sum of its proper divisors (419269).
2227125947 is an equidigital number, since it uses as much as digits as its factorization.
2227125947 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419268.
The product of its digits is 141120, while the sum is 41.
The square root of 2227125947 is about 47192.4352730393. The cubic root of 2227125947 is about 1305.9150468846.
The spelling of 2227125947 in words is "two billion, two hundred twenty-seven million, one hundred twenty-five thousand, nine hundred forty-seven".
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