Search a number
-
+
6514468997 = 43151499279
BaseRepresentation
bin1100001000100101…
…01110100010000101
3121211000010022110112
412010102232202011
5101320201001442
62554231402405
7320302033661
oct60422564205
917730108415
106514468997
11284327aa83
121319823405
137ca8488aa
1445b28d8a1
15281dad082
hex1844ae885

6514468997 has 4 divisors (see below), whose sum is σ = 6665968320. Its totient is φ = 6362969676.

The previous prime is 6514468951. The next prime is 6514468999. The reversal of 6514468997 is 7998644156.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6514468997 - 216 = 6514403461 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 (6514468999) 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 3 ways as a sum of consecutive naturals, for example, 75749597 + ... + 75749682.

It is an arithmetic number, because the mean of its divisors is an integer number (1666492080).

Almost surely, 26514468997 is an apocalyptic number.

It is an amenable number.

6514468997 is a deficient number, since it is larger than the sum of its proper divisors (151499323).

6514468997 is a wasteful number, since it uses less digits than its factorization.

6514468997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151499322.

The product of its digits is 13063680, while the sum is 59.

The square root of 6514468997 is about 80712.2605122667. The cubic root of 6514468997 is about 1867.6393135368.

The spelling of 6514468997 in words is "six billion, five hundred fourteen million, four hundred sixty-eight thousand, nine hundred ninety-seven".

Divisors: 1 43 151499279 6514468997