Base | Representation |
---|---|
bin | 1111101110100100… |
… | …1101111010000111 |
3 | 101220020020000221101 |
4 | 3323221031322013 |
5 | 32121300323322 |
6 | 1534533400531 |
7 | 206423303536 |
oct | 37351157207 |
9 | 11806200841 |
10 | 4221886087 |
11 | 1877165561 |
12 | 999a99147 |
13 | 52389c763 |
14 | 2c09d231d |
15 | 19a9a4327 |
hex | fba4de87 |
4221886087 has 2 divisors, whose sum is σ = 4221886088. Its totient is φ = 4221886086.
The previous prime is 4221886079. The next prime is 4221886099. The reversal of 4221886087 is 7806881224.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 4221886087 - 23 = 4221886079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4221886027) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110943043 + 2110943044.
It is an arithmetic number, because the mean of its divisors is an integer number (2110943044).
Almost surely, 24221886087 is an apocalyptic number.
4221886087 is a deficient number, since it is larger than the sum of its proper divisors (1).
4221886087 is an equidigital number, since it uses as much as digits as its factorization.
4221886087 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 344064, while the sum is 46.
The square root of 4221886087 is about 64976.0424079522. The cubic root of 4221886087 is about 1616.2263032203.
It can be divided in two parts, 422188 and 6087, that added together give a triangular number (428275 = T925).
The spelling of 4221886087 in words is "four billion, two hundred twenty-one million, eight hundred eighty-six thousand, eighty-seven".
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