Base | Representation |
---|---|
bin | 1001110101000101… |
… | …0010000010001110 |
3 | 20210212220101120201 |
4 | 2131101102002032 |
5 | 20400432200410 |
6 | 1113453204114 |
7 | 122246222005 |
oct | 23521220216 |
9 | 6725811521 |
10 | 2638553230 |
11 | 1134438105 |
12 | 61779063a |
13 | 330851101 |
14 | 1b05d9c3c |
15 | 10699883a |
hex | 9d45208e |
2638553230 has 16 divisors (see below), whose sum is σ = 4751706960. Its totient is φ = 1054907712.
The previous prime is 2638553207. The next prime is 2638553233. The reversal of 2638553230 is 323558362.
It is a self number, because there is not a number n which added to its sum of digits gives 2638553230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2638553233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42264 + ... + 84043.
It is an arithmetic number, because the mean of its divisors is an integer number (296981685).
Almost surely, 22638553230 is an apocalyptic number.
2638553230 is a deficient number, since it is larger than the sum of its proper divisors (2113153730).
2638553230 is a wasteful number, since it uses less digits than its factorization.
2638553230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128403.
The product of its (nonzero) digits is 129600, while the sum is 37.
The square root of 2638553230 is about 51366.8495237931. The cubic root of 2638553230 is about 1381.8321303482.
The spelling of 2638553230 in words is "two billion, six hundred thirty-eight million, five hundred fifty-three thousand, two hundred thirty".
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