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16111379 = 83194113
BaseRepresentation
bin111101011101…
…011100010011
31010022112122202
4331131130103
513111031004
61333153415
7253641644
oct75353423
933275582
1016111379
119104799
12548b86b
13345147b
1421d56cb
151633b1e
hexf5d713

16111379 has 4 divisors (see below), whose sum is σ = 16305576. Its totient is φ = 15917184.

The previous prime is 16111357. The next prime is 16111387. The reversal of 16111379 is 97311161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16111379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16111309) 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, 96974 + ... + 97139.

It is an arithmetic number, because the mean of its divisors is an integer number (4076394).

Almost surely, 216111379 is an apocalyptic number.

16111379 is a deficient number, since it is larger than the sum of its proper divisors (194197).

16111379 is an equidigital number, since it uses as much as digits as its factorization.

16111379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194196.

The product of its digits is 1134, while the sum is 29.

The square root of 16111379 is about 4013.8982299007. The cubic root of 16111379 is about 252.5675615700.

The spelling of 16111379 in words is "sixteen million, one hundred eleven thousand, three hundred seventy-nine".

Divisors: 1 83 194113 16111379