Base | Representation |
---|---|
bin | 11001110001000… |
… | …11101111010011 |
3 | 120001201201020021 |
4 | 30320203233103 |
5 | 420313344133 |
6 | 33240524311 |
7 | 5233161541 |
oct | 1470435723 |
9 | 501651207 |
10 | 216153043 |
11 | 101015a87 |
12 | 60480697 |
13 | 35a21712 |
14 | 209c8d91 |
15 | 13e9a52d |
hex | ce23bd3 |
216153043 has 4 divisors (see below), whose sum is σ = 216184480. Its totient is φ = 216121608.
The previous prime is 216153031. The next prime is 216153053. The reversal of 216153043 is 340351612.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-216153043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 216152999 and 216153017.
It is not an unprimeable number, because it can be changed into a prime (216153053) 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, 480 + ... + 20797.
It is an arithmetic number, because the mean of its divisors is an integer number (54046120).
Almost surely, 2216153043 is an apocalyptic number.
216153043 is a deficient number, since it is larger than the sum of its proper divisors (31437).
216153043 is a wasteful number, since it uses less digits than its factorization.
216153043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31436.
The product of its (nonzero) digits is 2160, while the sum is 25.
The square root of 216153043 is about 14702.1441633525. The cubic root of 216153043 is about 600.1416730268.
The spelling of 216153043 in words is "two hundred sixteen million, one hundred fifty-three thousand, forty-three".
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