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2855030507 = 71723991853
BaseRepresentation
bin1010101000101100…
…0100111011101011
321100222020120120122
42222023010323223
521321341434012
61151145113455
7130515234050
oct25213047353
97328216518
102855030507
11123565474a
1267818888b
13366657284
141d126b027
1511a9a9e72
hexaa2c4eeb

2855030507 has 8 divisors (see below), whose sum is σ = 3454826976. Its totient is φ = 2303217792.

The previous prime is 2855030491. The next prime is 2855030509. The reversal of 2855030507 is 7050305582.

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 2855030507 - 24 = 2855030491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2855030509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11995808 + ... + 11996045.

It is an arithmetic number, because the mean of its divisors is an integer number (431853372).

Almost surely, 22855030507 is an apocalyptic number.

2855030507 is a deficient number, since it is larger than the sum of its proper divisors (599796469).

2855030507 is a wasteful number, since it uses less digits than its factorization.

2855030507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23991877.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 2855030507 is about 53432.4855027351. The cubic root of 2855030507 is about 1418.6336302775.

The spelling of 2855030507 in words is "two billion, eight hundred fifty-five million, thirty thousand, five hundred seven".

Divisors: 1 7 17 119 23991853 167942971 407861501 2855030507