Base | Representation |
---|---|
bin | 1111111000011… |
… | …00011100100010 |
3 | 100021200021122220 |
4 | 13330030130202 |
5 | 233101021010 |
6 | 21115211510 |
7 | 3205231611 |
oct | 774143442 |
9 | 307607586 |
10 | 133220130 |
11 | 6922128a |
12 | 38746b96 |
13 | 217a53a4 |
14 | 1399b878 |
15 | ba67970 |
hex | 7f0c722 |
133220130 has 32 divisors (see below), whose sum is σ = 320122368. Its totient is φ = 35481600.
The previous prime is 133220123. The next prime is 133220147. The reversal of 133220130 is 31022331.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27490 + ... + 31970.
It is an arithmetic number, because the mean of its divisors is an integer number (10003824).
Almost surely, 2133220130 is an apocalyptic number.
133220130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
133220130 is an abundant number, since it is smaller than the sum of its proper divisors (186902238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
133220130 is a wasteful number, since it uses less digits than its factorization.
133220130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5482.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 133220130 is about 11542.1024947797. The cubic root of 133220130 is about 510.7283326885.
Adding to 133220130 its reverse (31022331), we get a palindrome (164242461).
The spelling of 133220130 in words is "one hundred thirty-three million, two hundred twenty thousand, one hundred thirty".
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