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768053515 = 5153610703
BaseRepresentation
bin101101110001111…
…001000100001011
31222112020011100111
4231301321010023
53033110203030
6204114015151
725014230035
oct5561710413
91875204314
10768053515
11364600a79
121952774b7
13c3178c48
1474010c55
154766662a
hex2dc7910b

768053515 has 4 divisors (see below), whose sum is σ = 921664224. Its totient is φ = 614442808.

The previous prime is 768053491. The next prime is 768053527. The reversal of 768053515 is 515350867.

768053515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 768053515 - 25 = 768053483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76805347 + ... + 76805356.

It is an arithmetic number, because the mean of its divisors is an integer number (230416056).

Almost surely, 2768053515 is an apocalyptic number.

768053515 is a deficient number, since it is larger than the sum of its proper divisors (153610709).

768053515 is a wasteful number, since it uses less digits than its factorization.

768053515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153610708.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 768053515 is about 27713.7784323971. The cubic root of 768053515 is about 915.7926641676.

The spelling of 768053515 in words is "seven hundred sixty-eight million, fifty-three thousand, five hundred fifteen".

Divisors: 1 5 153610703 768053515