Base | Representation |
---|---|
bin | 111110101001101… |
… | …1000010101010010 |
3 | 12102111201110201100 |
4 | 1331103120111102 |
5 | 13301132414102 |
6 | 544334045230 |
7 | 103044452304 |
oct | 17523302522 |
9 | 5374643640 |
10 | 2102232402 |
11 | 989723356 |
12 | 4a8049816 |
13 | 2766bccca |
14 | 15d2ab974 |
15 | c4858a1c |
hex | 7d4d8552 |
2102232402 has 12 divisors (see below), whose sum is σ = 4554836910. Its totient is φ = 700744128.
The previous prime is 2102232331. The next prime is 2102232437. The reversal of 2102232402 is 2042322012.
2102232402 is a `hidden beast` number, since 210 + 22 + 32 + 402 = 666.
It can be written as a sum of positive squares in only one way, i.e., 2093886081 + 8346321 = 45759^2 + 2889^2 .
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 116790689 = 2102232402 / (2 + 1 + 0 + 2 + 2 + 3 + 2 + 4 + 0 + 2).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58395327 + ... + 58395362.
Almost surely, 22102232402 is an apocalyptic number.
2102232402 is an abundant number, since it is smaller than the sum of its proper divisors (2452604508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2102232402 is a wasteful number, since it uses less digits than its factorization.
2102232402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116790697 (or 116790694 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 2102232402 is about 45850.1079824246. The cubic root of 2102232402 is about 1281.0327769056.
Adding to 2102232402 its reverse (2042322012), we get a palindrome (4144554414).
The spelling of 2102232402 in words is "two billion, one hundred two million, two hundred thirty-two thousand, four hundred two".
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