Base | Representation |
---|---|
bin | 11011110110011000… |
… | …11111001100101011 |
3 | 1102121000101202122022 |
4 | 31323030133030223 |
5 | 221110123213341 |
6 | 10511352215055 |
7 | 1036342654562 |
oct | 157314371453 |
9 | 42530352568 |
10 | 14951772971 |
11 | 6382982373 |
12 | 2a9339a48b |
13 | 1543861955 |
14 | a1ba6cbd9 |
15 | 5c7989e4b |
hex | 37b31f32b |
14951772971 has 4 divisors (see below), whose sum is σ = 15141036000. Its totient is φ = 14762509944.
The previous prime is 14951772959. The next prime is 14951772977. The reversal of 14951772971 is 17927715941.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17927715941 = 16823 ⋅1065667.
It is a cyclic number.
It is not a de Polignac number, because 14951772971 - 214 = 14951756587 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (14951772977) 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, 94631396 + ... + 94631553.
It is an arithmetic number, because the mean of its divisors is an integer number (3785259000).
Almost surely, 214951772971 is an apocalyptic number.
14951772971 is a deficient number, since it is larger than the sum of its proper divisors (189263029).
14951772971 is an equidigital number, since it uses as much as digits as its factorization.
14951772971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 189263028.
The product of its digits is 1111320, while the sum is 53.
The spelling of 14951772971 in words is "fourteen billion, nine hundred fifty-one million, seven hundred seventy-two thousand, nine hundred seventy-one".
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