Base | Representation |
---|---|
bin | 101011111001111000… |
… | …011101011000010101 |
3 | 11111200101222201212112 |
4 | 223321320131120111 |
5 | 1233021323001044 |
6 | 33353504400405 |
7 | 3256136250446 |
oct | 537170353025 |
9 | 144611881775 |
10 | 47142000149 |
11 | 18aa1480502 |
12 | 9177916105 |
13 | 45a391605a |
14 | 23d2d2d2cd |
15 | 135da0009e |
hex | af9e1d615 |
47142000149 has 2 divisors, whose sum is σ = 47142000150. Its totient is φ = 47142000148.
The previous prime is 47142000131. The next prime is 47142000151. The reversal of 47142000149 is 94100024174.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23811576100 + 23330424049 = 154310^2 + 152743^2 .
It is a cyclic number.
It is not a de Polignac number, because 47142000149 - 220 = 47140951573 is a prime.
Together with 47142000151, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47142000179) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23571000074 + 23571000075.
It is an arithmetic number, because the mean of its divisors is an integer number (23571000075).
Almost surely, 247142000149 is an apocalyptic number.
It is an amenable number.
47142000149 is a deficient number, since it is larger than the sum of its proper divisors (1).
47142000149 is an equidigital number, since it uses as much as digits as its factorization.
47142000149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8064, while the sum is 32.
The spelling of 47142000149 in words is "forty-seven billion, one hundred forty-two million, one hundred forty-nine", and thus it is an aban number.
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