Base | Representation |
---|---|
bin | 1011101101110100… |
… | …1000001001100011 |
3 | 22010011211021120121 |
4 | 2323131020021203 |
5 | 22420103144242 |
6 | 1240023421111 |
7 | 140635563112 |
oct | 27335101143 |
9 | 8104737517 |
10 | 3144974947 |
11 | 1374290254 |
12 | 7392b4797 |
13 | 3b174412a |
14 | 21b983c79 |
15 | 13617e667 |
hex | bb748263 |
3144974947 has 2 divisors, whose sum is σ = 3144974948. Its totient is φ = 3144974946.
The previous prime is 3144974879. The next prime is 3144974953. The reversal of 3144974947 is 7494794413.
3144974947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is an emirp because it is prime and its reverse (7494794413) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 3144974947 - 215 = 3144942179 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3144974894 and 3144974903.
It is not a weakly prime, because it can be changed into another prime (3144974957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572487473 + 1572487474.
It is an arithmetic number, because the mean of its divisors is an integer number (1572487474).
Almost surely, 23144974947 is an apocalyptic number.
3144974947 is a deficient number, since it is larger than the sum of its proper divisors (1).
3144974947 is an equidigital number, since it uses as much as digits as its factorization.
3144974947 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3048192, while the sum is 52.
The square root of 3144974947 is about 56080.0762035859. The cubic root of 3144974947 is about 1465.1173007685.
The spelling of 3144974947 in words is "three billion, one hundred forty-four million, nine hundred seventy-four thousand, nine hundred forty-seven".
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