Search a number
-
+
6690000699 = 322413084371
BaseRepresentation
bin1100011101100000…
…10100111100111011
3122021020102020200200
412032300110330323
5102200120010244
63023501533243
7324533032134
oct61660247473
918236366620
106690000699
1129233705a8
121368574223
138280169c5
14476702c8b
152924d2669
hex18ec14f3b

6690000699 has 12 divisors (see below), whose sum is σ = 9703434312. Its totient is φ = 4441492800.

The previous prime is 6690000671. The next prime is 6690000721. The reversal of 6690000699 is 9960000966.

It is not a de Polignac number, because 6690000699 - 216 = 6689935163 is a prime.

It is a super-2 number, since 2×66900006992 = 89512218705240977202, which contains 22 as substring.

6690000699 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (6690000799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540017 + ... + 1544354.

It is an arithmetic number, because the mean of its divisors is an integer number (808619526).

Almost surely, 26690000699 is an apocalyptic number.

6690000699 is a deficient number, since it is larger than the sum of its proper divisors (3013433613).

6690000699 is a wasteful number, since it uses less digits than its factorization.

6690000699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084618 (or 3084615 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 6690000699 is about 81792.4244597261. The cubic root of 6690000699 is about 1884.2653173818.

The spelling of 6690000699 in words is "six billion, six hundred ninety million, six hundred ninety-nine", and thus it is an aban number.

Divisors: 1 3 9 241 723 2169 3084371 9253113 27759339 743333411 2230000233 6690000699