Base | Representation |
---|---|
bin | 1000111001100001… |
… | …0110101010111110 |
3 | 20011110212000120211 |
4 | 2032120112222332 |
5 | 14343004431430 |
6 | 1033011103034 |
7 | 113124013525 |
oct | 21630265276 |
9 | 6143760524 |
10 | 2388748990 |
11 | 1016428521 |
12 | 567ba1a7a |
13 | 2c0b79854 |
14 | 1893714bc |
15 | deaa272a |
hex | 8e616abe |
2388748990 has 16 divisors (see below), whose sum is σ = 4363924752. Its totient is φ = 941238144.
The previous prime is 2388748979. The next prime is 2388748993. The reversal of 2388748990 is 998478832.
It is a super-2 number, since 2×23887489902 = 11412243474452040200, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2388748993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1781979 + ... + 1783318.
It is an arithmetic number, because the mean of its divisors is an integer number (272745297).
Almost surely, 22388748990 is an apocalyptic number.
2388748990 is a deficient number, since it is larger than the sum of its proper divisors (1975175762).
2388748990 is a wasteful number, since it uses less digits than its factorization.
2388748990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3565371.
The product of its (nonzero) digits is 6967296, while the sum is 58.
The square root of 2388748990 is about 48874.8298206756. The cubic root of 2388748990 is about 1336.7704565384.
The spelling of 2388748990 in words is "two billion, three hundred eighty-eight million, seven hundred forty-eight thousand, nine hundred ninety".
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