Base | Representation |
---|---|
bin | 1000000000001… |
… | …01011011111010 |
3 | 11200022121121011 |
4 | 10000011123322 |
5 | 114141144010 |
6 | 10354504134 |
7 | 1443414403 |
oct | 400053372 |
9 | 150277534 |
10 | 67131130 |
11 | 34991680 |
12 | 1a59504a |
13 | 10ba5a81 |
14 | 8cb69aa |
15 | 5d60a8a |
hex | 40056fa |
67131130 has 32 divisors (see below), whose sum is σ = 139579200. Its totient is φ = 22974720.
The previous prime is 67131109. The next prime is 67131131. The reversal of 67131130 is 3113176.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is not an unprimeable number, because it can be changed into a prime (67131131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16080 + ... + 19819.
It is an arithmetic number, because the mean of its divisors is an integer number (4361850).
Almost surely, 267131130 is an apocalyptic number.
67131130 is an abundant number, since it is smaller than the sum of its proper divisors (72448070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67131130 is a wasteful number, since it uses less digits than its factorization.
67131130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35934.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 67131130 is about 8193.3588960816. The cubic root of 67131130 is about 406.4196079171.
The spelling of 67131130 in words is "sixty-seven million, one hundred thirty-one thousand, one hundred thirty".
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