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6779669460 = 2235112994491
BaseRepresentation
bin1100101000001100…
…11000101111010100
3122111111010220002220
412110012120233110
5102341043410320
63040423502340
7330002145114
oct62406305724
918444126086
106779669460
112969a46013
1213925b79b0
13840780c45
144845a5044
1529a2e5e40
hex194198bd4

6779669460 has 24 divisors (see below), whose sum is σ = 18983074656. Its totient is φ = 1807911840.

The previous prime is 6779669459. The next prime is 6779669461. The reversal of 6779669460 is 649669776.

It is an interprime number because it is at equal distance from previous prime (6779669459) and next prime (6779669461).

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 112994491 = 6779669460 / (6 + 7 + 7 + 9 + 6 + 6 + 9 + 4 + 6 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6779669394 and 6779669403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6779669461) 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, 56497186 + ... + 56497305.

It is an arithmetic number, because the mean of its divisors is an integer number (790961444).

Almost surely, 26779669460 is an apocalyptic number.

6779669460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6779669460 is an abundant number, since it is smaller than the sum of its proper divisors (12203405196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6779669460 is a wasteful number, since it uses less digits than its factorization.

6779669460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112994503 (or 112994501 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 60.

The square root of 6779669460 is about 82338.7482294940. The cubic root of 6779669460 is about 1892.6465038197.

The spelling of 6779669460 in words is "six billion, seven hundred seventy-nine million, six hundred sixty-nine thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 112994491 225988982 338983473 451977964 564972455 677966946 1129944910 1355933892 1694917365 2259889820 3389834730 6779669460