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14954442379 = 71210625949
BaseRepresentation
bin11011110110101101…
…01010111010001011
31102121012102101101021
431323112222322023
5221111314124004
610511525333311
71036404443242
oct157326527213
942535371337
1014954442379
116384435998
122a94267237
131544287996
14a1c165959
155c7d15d54
hex37b5aae8b

14954442379 has 4 divisors (see below), whose sum is σ = 15165068400. Its totient is φ = 14743816360.

The previous prime is 14954442367. The next prime is 14954442389. The reversal of 14954442379 is 97324445941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97324445941 = 149476511303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14954442379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14954442389) 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, 105312904 + ... + 105313045.

It is an arithmetic number, because the mean of its divisors is an integer number (3791267100).

Almost surely, 214954442379 is an apocalyptic number.

14954442379 is a deficient number, since it is larger than the sum of its proper divisors (210626021).

14954442379 is an equidigital number, since it uses as much as digits as its factorization.

14954442379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210626020.

The product of its digits is 4354560, while the sum is 52.

The spelling of 14954442379 in words is "fourteen billion, nine hundred fifty-four million, four hundred forty-two thousand, three hundred seventy-nine".

Divisors: 1 71 210625949 14954442379