Base | Representation |
---|---|
bin | 1111101001001… |
… | …00111001000110 |
3 | 100010220211021012 |
4 | 13310210321012 |
5 | 232043114420 |
6 | 21004322222 |
7 | 3152243444 |
oct | 764447106 |
9 | 303824235 |
10 | 131223110 |
11 | 68087957 |
12 | 37b43372 |
13 | 21256415 |
14 | 135dbb94 |
15 | b7c0dc5 |
hex | 7d24e46 |
131223110 has 16 divisors (see below), whose sum is σ = 237524400. Its totient is φ = 52195296.
The previous prime is 131223109. The next prime is 131223149. The reversal of 131223110 is 11322131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34865 + ... + 38444.
It is an arithmetic number, because the mean of its divisors is an integer number (14845275).
Almost surely, 2131223110 is an apocalyptic number.
131223110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131223110 is a deficient number, since it is larger than the sum of its proper divisors (106301290).
131223110 is a wasteful number, since it uses less digits than its factorization.
131223110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73495.
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 131223110 is about 11455.2656014603. The cubic root of 131223110 is about 508.1634701348.
Adding to 131223110 its reverse (11322131), we get a palindrome (142545241).
The spelling of 131223110 in words is "one hundred thirty-one million, two hundred twenty-three thousand, one hundred ten".
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