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14939494151 = 132111309231
BaseRepresentation
bin11011110100111011…
…01001011100000111
31102120011021221021012
431322131221130013
5221044002303101
610510233112435
71036133414351
oct157235513407
942504257235
1014939494151
116376a5608a
122a8b25871b
131541152a8a
14a1a1940d1
155c6861bbb
hex37a769707

14939494151 has 4 divisors (see below), whose sum is σ = 14950804704. Its totient is φ = 14928183600.

The previous prime is 14939494133. The next prime is 14939494153. The reversal of 14939494151 is 15149493941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15149493941 = 82559183499.

It is a cyclic number.

It is not a de Polignac number, because 14939494151 - 226 = 14872385287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14939494151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14939494153) 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, 5653295 + ... + 5655936.

It is an arithmetic number, because the mean of its divisors is an integer number (3737701176).

Almost surely, 214939494151 is an apocalyptic number.

14939494151 is a deficient number, since it is larger than the sum of its proper divisors (11310553).

14939494151 is a wasteful number, since it uses less digits than its factorization.

14939494151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11310552.

The product of its digits is 699840, while the sum is 50.

The spelling of 14939494151 in words is "fourteen billion, nine hundred thirty-nine million, four hundred ninety-four thousand, one hundred fifty-one".

Divisors: 1 1321 11309231 14939494151