Base | Representation |
---|---|
bin | 1111100111100… |
… | …00111001010010 |
3 | 100010112000010001 |
4 | 13303300321102 |
5 | 232014311010 |
6 | 21000000214 |
7 | 3150365506 |
oct | 763607122 |
9 | 303460101 |
10 | 131010130 |
11 | 67a51939 |
12 | 37a6006a |
13 | 211b04b4 |
14 | 13584306 |
15 | b77cc3a |
hex | 7cf0e52 |
131010130 has 32 divisors (see below), whose sum is σ = 250724160. Its totient is φ = 49147200.
The previous prime is 131010091. The next prime is 131010133. The reversal of 131010130 is 31010131.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (131010133) 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, 15777 + ... + 22603.
It is an arithmetic number, because the mean of its divisors is an integer number (7835130).
Almost surely, 2131010130 is an apocalyptic number.
131010130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131010130 is a deficient number, since it is larger than the sum of its proper divisors (119714030).
131010130 is a wasteful number, since it uses less digits than its factorization.
131010130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6954.
The product of its (nonzero) digits is 9, while the sum is 10.
The square root of 131010130 is about 11445.9656648096. The cubic root of 131010130 is about 507.8883985111. Note that the first 3 decimals are identical.
Adding to 131010130 its reverse (31010131), we get a palindrome (162020261).
Subtracting from 131010130 its reverse (31010131), we obtain a palindrome (99999999).
It can be divided in two parts, 1310101 and 30, that added together give a palindrome (1310131).
The spelling of 131010130 in words is "one hundred thirty-one million, ten thousand, one hundred thirty".
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