Base | Representation |
---|---|
bin | 100000011011101… |
… | …0110100011011001 |
3 | 2210211201221021010 |
4 | 1000313112203121 |
5 | 4212043031441 |
6 | 255553004133 |
7 | 35652663465 |
oct | 10067264331 |
9 | 2724657233 |
10 | 1088252121 |
11 | 509320a20 |
12 | 264553649 |
13 | 1445c9688 |
14 | a47614a5 |
15 | 65815116 |
hex | 40dd68d9 |
1088252121 has 16 divisors (see below), whose sum is σ = 1583789760. Its totient is φ = 659181120.
The previous prime is 1088252119. The next prime is 1088252131. The reversal of 1088252121 is 1212528801.
It is not a de Polignac number, because 1088252121 - 21 = 1088252119 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1088252111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58831 + ... + 75083.
It is an arithmetic number, because the mean of its divisors is an integer number (98986860).
Almost surely, 21088252121 is an apocalyptic number.
1088252121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1088252121 is a deficient number, since it is larger than the sum of its proper divisors (495537639).
1088252121 is a wasteful number, since it uses less digits than its factorization.
1088252121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18296.
The product of its (nonzero) digits is 2560, while the sum is 30.
The square root of 1088252121 is about 32988.6665538333. Note that the first 3 decimals coincide. The cubic root of 1088252121 is about 1028.5920754812.
The spelling of 1088252121 in words is "one billion, eighty-eight million, two hundred fifty-two thousand, one hundred twenty-one".
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