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200081587 is a prime number
BaseRepresentation
bin10111110110100…
…00000010110011
3111221111012100011
423323100002303
5402210102322
631504235351
74646444146
oct1373200263
9457435304
10200081587
11a2a39292
125700bb57
13325b5494
141c80405d
1512873677
hexbed00b3

200081587 has 2 divisors, whose sum is σ = 200081588. Its totient is φ = 200081586.

The previous prime is 200081569. The next prime is 200081591. The reversal of 200081587 is 785180002.

200081587 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200081587 is a prime.

It is not a weakly prime, because it can be changed into another prime (200081507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100040793 + 100040794.

It is an arithmetic number, because the mean of its divisors is an integer number (100040794).

Almost surely, 2200081587 is an apocalyptic number.

200081587 is a deficient number, since it is larger than the sum of its proper divisors (1).

200081587 is an equidigital number, since it uses as much as digits as its factorization.

200081587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 200081587 is about 14145.0198656630. The cubic root of 200081587 is about 584.8830574437.

The spelling of 200081587 in words is "two hundred million, eighty-one thousand, five hundred eighty-seven".