Base | Representation |
---|---|
bin | 1111101000001… |
… | …11100110000000 |
3 | 100010200201122112 |
4 | 13310013212000 |
5 | 232030244404 |
6 | 21001554452 |
7 | 3151233536 |
oct | 764074600 |
9 | 303621575 |
10 | 131103104 |
11 | 68005780 |
12 | 37aa5a28 |
13 | 21213902 |
14 | 135aa156 |
15 | b79a56e |
hex | 7d07980 |
131103104 has 32 divisors (see below), whose sum is σ = 284928840. Its totient is φ = 59591680.
The previous prime is 131103103. The next prime is 131103127. The reversal of 131103104 is 401301131.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131103101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45149 + ... + 47964.
Almost surely, 2131103104 is an apocalyptic number.
It is an amenable number.
131103104 is an abundant number, since it is smaller than the sum of its proper divisors (153825736).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131103104 is an equidigital number, since it uses as much as digits as its factorization.
131103104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93138 (or 93126 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 131103104 is about 11450.0263755155. The cubic root of 131103104 is about 508.0085145410.
Adding to 131103104 its reverse (401301131), we get a palindrome (532404235).
The spelling of 131103104 in words is "one hundred thirty-one million, one hundred three thousand, one hundred four".
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