Base | Representation |
---|---|
bin | 10010110001001111… |
… | …101100110101100110 |
3 | 1221000112110112022101 |
4 | 102301033230311212 |
5 | 312233302132410 |
6 | 13131452322314 |
7 | 1312265240020 |
oct | 226117546546 |
9 | 57015415271 |
10 | 20153552230 |
11 | 8602178099 |
12 | 3aa547339a |
13 | 1b9244b646 |
14 | d92857010 |
15 | 7ce49cd3a |
hex | 4b13ecd66 |
20153552230 has 32 divisors (see below), whose sum is σ = 41557743360. Its totient is φ = 6893288160.
The previous prime is 20153552179. The next prime is 20153552231. The reversal of 20153552230 is 3225535102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20153552231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314236 + ... + 372895.
It is an arithmetic number, because the mean of its divisors is an integer number (1298679480).
Almost surely, 220153552230 is an apocalyptic number.
20153552230 is an abundant number, since it is smaller than the sum of its proper divisors (21404191130).
20153552230 is a wasteful number, since it uses less digits than its factorization.
20153552230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 687564.
The product of its (nonzero) digits is 9000, while the sum is 28.
The spelling of 20153552230 in words is "twenty billion, one hundred fifty-three million, five hundred fifty-two thousand, two hundred thirty".
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