Base | Representation |
---|---|
bin | 1001000010101010000… |
… | …1011011101111011001 |
3 | 112211221100222212110110 |
4 | 2100222201123233121 |
5 | 10021110022330410 |
6 | 155205244434533 |
7 | 14136164112423 |
oct | 2205241335731 |
9 | 484840885413 |
10 | 155332230105 |
11 | 5a96aaa3598 |
12 | 26130548a49 |
13 | 118561b1bc0 |
14 | 7737a15813 |
15 | 4091cae720 |
hex | 242a85bbd9 |
155332230105 has 32 divisors (see below), whose sum is σ = 267668795520. Its totient is φ = 76465704960.
The previous prime is 155332230077. The next prime is 155332230107. The reversal of 155332230105 is 501032233551.
155332230105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 155332230105 - 26 = 155332230041 is a prime.
It is a super-2 number, since 2×1553322301052 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (155332230107) 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 31 ways as a sum of consecutive naturals, for example, 4413066 + ... + 4448124.
It is an arithmetic number, because the mean of its divisors is an integer number (8364649860).
Almost surely, 2155332230105 is an apocalyptic number.
155332230105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
155332230105 is a deficient number, since it is larger than the sum of its proper divisors (112336565415).
155332230105 is a wasteful number, since it uses less digits than its factorization.
155332230105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57801.
The product of its (nonzero) digits is 13500, while the sum is 30.
Adding to 155332230105 its reverse (501032233551), we get a palindrome (656364463656).
The spelling of 155332230105 in words is "one hundred fifty-five billion, three hundred thirty-two million, two hundred thirty thousand, one hundred five".
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