Base | Representation |
---|---|
bin | 111111000100001… |
… | …1110111110001001 |
3 | 12110110220201111101 |
4 | 1332020132332021 |
5 | 13313213400400 |
6 | 545552301401 |
7 | 103304001634 |
oct | 17610367611 |
9 | 5413821441 |
10 | 2116153225 |
11 | 99657126a |
12 | 4b0841861 |
13 | 279555394 |
14 | 161092c1b |
15 | c5ba856a |
hex | 7e21ef89 |
2116153225 has 12 divisors (see below), whose sum is σ = 2660990400. Its totient is φ = 1669077200.
The previous prime is 2116153223. The next prime is 2116153241. The reversal of 2116153225 is 5223516112.
It is not a de Polignac number, because 2116153225 - 21 = 2116153223 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2116153193 and 2116153202.
It is not an unprimeable number, because it can be changed into a prime (2116153223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 594325 + ... + 597874.
It is an arithmetic number, because the mean of its divisors is an integer number (221749200).
Almost surely, 22116153225 is an apocalyptic number.
2116153225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2116153225 is a deficient number, since it is larger than the sum of its proper divisors (544837175).
2116153225 is a wasteful number, since it uses less digits than its factorization.
2116153225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1192280 (or 1192275 counting only the distinct ones).
The product of its digits is 3600, while the sum is 28.
The square root of 2116153225 is about 46001.6654589809. The cubic root of 2116153225 is about 1283.8541921642.
Adding to 2116153225 its reverse (5223516112), we get a palindrome (7339669337).
It can be divided in two parts, 211615 and 3225, that added together give a triangular number (214840 = T655).
The spelling of 2116153225 in words is "two billion, one hundred sixteen million, one hundred fifty-three thousand, two hundred twenty-five".
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