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258063013 = 1323863087
BaseRepresentation
bin11110110000110…
…11101010100101
3122222120221220101
433120123222211
51012031004023
641335104101
76252333205
oct1730335245
9588527811
10258063013
1112274061a
1272512031
1341606710
14263b8405
15179c81ad
hexf61baa5

258063013 has 8 divisors (see below), whose sum is σ = 289997568. Its totient is φ = 227854704.

The previous prime is 258063011. The next prime is 258063037. The reversal of 258063013 is 310360852.

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 258063013 - 21 = 258063011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258063011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431245 + ... + 431842.

It is an arithmetic number, because the mean of its divisors is an integer number (36249696).

Almost surely, 2258063013 is an apocalyptic number.

258063013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

258063013 is a deficient number, since it is larger than the sum of its proper divisors (31934555).

258063013 is a wasteful number, since it uses less digits than its factorization.

258063013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863123.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 258063013 is about 16064.3397934680. The cubic root of 258063013 is about 636.6614995819.

The spelling of 258063013 in words is "two hundred fifty-eight million, sixty-three thousand, thirteen".

Divisors: 1 13 23 299 863087 11220131 19851001 258063013