Base | Representation |
---|---|
bin | 1111111110010101… |
… | …1010010010001111 |
3 | 102001211121211011100 |
4 | 3333211122102033 |
5 | 32240211401241 |
6 | 1545254354143 |
7 | 211155242121 |
oct | 37745322217 |
9 | 12054554140 |
10 | 4287997071 |
11 | 190050a736 |
12 | 9b805b953 |
13 | 5344a9097 |
14 | 2c96c1211 |
15 | 1a16b29b6 |
hex | ff95a48f |
4287997071 has 12 divisors (see below), whose sum is σ = 6223130680. Its totient is φ = 2845115280.
The previous prime is 4287997027. The next prime is 4287997123. The reversal of 4287997071 is 1707997824.
It is not a de Polignac number, because 4287997071 - 213 = 4287988879 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 4287996999 and 4287997017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4287997001) 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, 1127116 + ... + 1130913.
Almost surely, 24287997071 is an apocalyptic number.
4287997071 is a deficient number, since it is larger than the sum of its proper divisors (1935133609).
4287997071 is a wasteful number, since it uses less digits than its factorization.
4287997071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2258246 (or 2258243 counting only the distinct ones).
The product of its (nonzero) digits is 1778112, while the sum is 54.
The square root of 4287997071 is about 65482.7998103319. The cubic root of 4287997071 is about 1624.6188702692.
The spelling of 4287997071 in words is "four billion, two hundred eighty-seven million, nine hundred ninety-seven thousand, seventy-one".
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