Base | Representation |
---|---|
bin | 1111100000000… |
… | …00011011000010 |
3 | 100001122221222110 |
4 | 13300000123002 |
5 | 231241301104 |
6 | 20522520150 |
7 | 3136124040 |
oct | 760003302 |
9 | 301587873 |
10 | 130025154 |
11 | 67439906 |
12 | 37666056 |
13 | 20c2707c |
14 | 133a9390 |
15 | b635e89 |
hex | 7c006c2 |
130025154 has 32 divisors (see below), whose sum is σ = 307451520. Its totient is φ = 35868672.
The previous prime is 130025153. The next prime is 130025179. The reversal of 130025154 is 451520031.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 130025154.
It is not an unprimeable number, because it can be changed into a prime (130025153) 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, 52159 + ... + 54594.
It is an arithmetic number, because the mean of its divisors is an integer number (9607860).
Almost surely, 2130025154 is an apocalyptic number.
130025154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
130025154 is an abundant number, since it is smaller than the sum of its proper divisors (177426366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130025154 is a wasteful number, since it uses less digits than its factorization.
130025154 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106794.
The product of its (nonzero) digits is 600, while the sum is 21.
The square root of 130025154 is about 11402.8572735082. The cubic root of 130025154 is about 506.6123728948.
Adding to 130025154 its reverse (451520031), we get a palindrome (581545185).
The spelling of 130025154 in words is "one hundred thirty million, twenty-five thousand, one hundred fifty-four".
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