Base | Representation |
---|---|
bin | 10010011110100… |
… | …01110011001010 |
3 | 101210122211001010 |
4 | 21033101303022 |
5 | 304140000020 |
6 | 23214104350 |
7 | 3561323034 |
oct | 1117216312 |
9 | 353584033 |
10 | 155000010 |
11 | 7a547890 |
12 | 43aab0b6 |
13 | 2615c9a9 |
14 | 1682ac54 |
15 | d91ade0 |
hex | 93d1cca |
155000010 has 64 divisors (see below), whose sum is σ = 410780160. Its totient is φ = 37116480.
The previous prime is 154999981. The next prime is 155000023. The reversal of 155000010 is 10000551.
155000010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 155000010.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24561 + ... + 30219.
It is an arithmetic number, because the mean of its divisors is an integer number (6418440).
Almost surely, 2155000010 is an apocalyptic number.
155000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 155000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205390080).
155000010 is an abundant number, since it is smaller than the sum of its proper divisors (255780150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155000010 is a wasteful number, since it uses less digits than its factorization.
155000010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5763.
The product of its (nonzero) digits is 25, while the sum is 12.
The square root of 155000010 is about 12449.8999995984. The cubic root of 155000010 is about 537.1685470465.
Adding to 155000010 its reverse (10000551), we get a palindrome (165000561).
The spelling of 155000010 in words is "one hundred fifty-five million, ten", and thus it is an aban number.
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