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258081011 = 13710091867
BaseRepresentation
bin11110110001000…
…00000011110011
3122222121212120222
433120200003303
51012032043021
641335323255
76252436526
oct1730400363
9588555528
10258081011
111227530a1
127252052b
1341611976
14263c0bbd
15179cd6ab
hexf6200f3

258081011 has 8 divisors (see below), whose sum is σ = 260361840. Its totient is φ = 255806208.

The previous prime is 258080989. The next prime is 258081017. The reversal of 258081011 is 110180852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 258081011 - 214 = 258064627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258081017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137300 + ... + 139166.

It is an arithmetic number, because the mean of its divisors is an integer number (32545230).

Almost surely, 2258081011 is an apocalyptic number.

258081011 is a deficient number, since it is larger than the sum of its proper divisors (2280829).

258081011 is a wasteful number, since it uses less digits than its factorization.

258081011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 258081011 is about 16064.8999685650. The cubic root of 258081011 is about 636.6763000592.

The spelling of 258081011 in words is "two hundred fifty-eight million, eighty-one thousand, eleven".