Base | Representation |
---|---|
bin | 1011000100100111… |
… | …1010000010010011 |
3 | 21200010122120212011 |
4 | 2301021322002103 |
5 | 22041333223433 |
6 | 1210531443351 |
7 | 133436656606 |
oct | 26111720223 |
9 | 7603576764 |
10 | 2972164243 |
11 | 1295788a94 |
12 | 6ab456557 |
13 | 3849b9689 |
14 | 202a3c33d |
15 | 125de63cd |
hex | b127a093 |
2972164243 has 8 divisors (see below), whose sum is σ = 3129094800. Its totient is φ = 2815283808.
The previous prime is 2972164241. The next prime is 2972164249. The reversal of 2972164243 is 3424612792.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2972164243 - 21 = 2972164241 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2972164196 and 2972164205.
It is not an unprimeable number, because it can be changed into a prime (2972164241) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220173 + ... + 233281.
It is an arithmetic number, because the mean of its divisors is an integer number (391136850).
Almost surely, 22972164243 is an apocalyptic number.
2972164243 is a deficient number, since it is larger than the sum of its proper divisors (156930557).
2972164243 is a wasteful number, since it uses less digits than its factorization.
2972164243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25061.
The product of its digits is 145152, while the sum is 40.
The square root of 2972164243 is about 54517.5590337645. The cubic root of 2972164243 is about 1437.7750237544.
The spelling of 2972164243 in words is "two billion, nine hundred seventy-two million, one hundred sixty-four thousand, two hundred forty-three".
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