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13330051 = 71904293
BaseRepresentation
bin110010110110…
…011010000011
3221002020101121
4302312122003
511403030201
61153413111
7221206060
oct62663203
927066347
1013330051
117585079
12456a197
1329b9507
141aadc67
1512849a1
hexcb6683

13330051 has 4 divisors (see below), whose sum is σ = 15234352. Its totient is φ = 11425752.

The previous prime is 13330007. The next prime is 13330061. The reversal of 13330051 is 15003331.

13330051 is digitally balanced in base 2 and base 3, because in such bases 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 13330051 - 27 = 13329923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13330061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952140 + ... + 952153.

It is an arithmetic number, because the mean of its divisors is an integer number (3808588).

Almost surely, 213330051 is an apocalyptic number.

13330051 is a deficient number, since it is larger than the sum of its proper divisors (1904301).

13330051 is an equidigital number, since it uses as much as digits as its factorization.

13330051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904300.

The product of its (nonzero) digits is 135, while the sum is 16.

The square root of 13330051 is about 3651.0342370348. The cubic root of 13330051 is about 237.1067605200.

Adding to 13330051 its reverse (15003331), we get a palindrome (28333382).

The spelling of 13330051 in words is "thirteen million, three hundred thirty thousand, fifty-one".

Divisors: 1 7 1904293 13330051