Base | Representation |
---|---|
bin | 1111101000001… |
… | …11000101110100 |
3 | 100010200121211020 |
4 | 13310013011310 |
5 | 232030213134 |
6 | 21001541140 |
7 | 3151224534 |
oct | 764070564 |
9 | 303617736 |
10 | 131101044 |
11 | 68004178 |
12 | 37aa47b0 |
13 | 212129a9 |
14 | 135a94c4 |
15 | b799b49 |
hex | 7d07174 |
131101044 has 24 divisors (see below), whose sum is σ = 310470048. Its totient is φ = 43047840.
The previous prime is 131101043. The next prime is 131101049. The reversal of 131101044 is 440101131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131101043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80727 + ... + 82334.
It is an arithmetic number, because the mean of its divisors is an integer number (12936252).
Almost surely, 2131101044 is an apocalyptic number.
It is an amenable number.
131101044 is an abundant number, since it is smaller than the sum of its proper divisors (179369004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131101044 is a wasteful number, since it uses less digits than its factorization.
131101044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163135 (or 163133 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 131101044 is about 11449.9364190374. The cubic root of 131101044 is about 508.0058537776.
Adding to 131101044 its reverse (440101131), we get a palindrome (571202175).
The spelling of 131101044 in words is "one hundred thirty-one million, one hundred one thousand, forty-four".
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