Base | Representation |
---|---|
bin | 1111100001011… |
… | …10100100001010 |
3 | 100002000120020110 |
4 | 13300232210022 |
5 | 231313323104 |
6 | 20530535150 |
7 | 3140542050 |
oct | 760564412 |
9 | 302016213 |
10 | 130214154 |
11 | 67558904 |
12 | 377374b6 |
13 | 20c920c5 |
14 | 134181d0 |
15 | b671e89 |
hex | 7c2e90a |
130214154 has 32 divisors (see below), whose sum is σ = 297970560. Its totient is φ = 37161792.
The previous prime is 130214153. The next prime is 130214177. The reversal of 130214154 is 451412031.
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 130214154.
It is not an unprimeable number, because it can be changed into a prime (130214153) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71892 + ... + 73680.
It is an arithmetic number, because the mean of its divisors is an integer number (9311580).
Almost surely, 2130214154 is an apocalyptic number.
130214154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
130214154 is an abundant number, since it is smaller than the sum of its proper divisors (167756406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130214154 is a wasteful number, since it uses less digits than its factorization.
130214154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3534.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 130214154 is about 11411.1416606753. The cubic root of 130214154 is about 506.8577187123.
Adding to 130214154 its reverse (451412031), we get a palindrome (581626185).
The spelling of 130214154 in words is "one hundred thirty million, two hundred fourteen thousand, one hundred fifty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •