Search a number
-
+
13077866 = 26919463
BaseRepresentation
bin110001111000…
…110101101010
3220121102110102
4301320311222
511321442431
61144145402
7216105614
oct61706552
926542412
1013077866
11742265a
124468262
13292b7a9
141a45db4
151234dcb
hexc78d6a

13077866 has 8 divisors (see below), whose sum is σ = 19647264. Its totient is φ = 6528780.

The previous prime is 13077859. The next prime is 13077901. The reversal of 13077866 is 66877031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×130778662 = 342061158227912, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 3350 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (2455908).

Almost surely, 213077866 is an apocalyptic number.

13077866 is a deficient number, since it is larger than the sum of its proper divisors (6569398).

13077866 is an equidigital number, since it uses as much as digits as its factorization.

13077866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10156.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 13077866 is about 3616.3332257965. Note that the first 3 decimals coincide. The cubic root of 13077866 is about 235.6019936166.

The spelling of 13077866 in words is "thirteen million, seventy-seven thousand, eight hundred sixty-six".

Divisors: 1 2 691 1382 9463 18926 6538933 13077866