Base | Representation |
---|---|
bin | 1111101000001… |
… | …11001100110000 |
3 | 100010200122102200 |
4 | 13310013030300 |
5 | 232030221423 |
6 | 21001543200 |
7 | 3151226040 |
oct | 764071460 |
9 | 303618380 |
10 | 131101488 |
11 | 68004541 |
12 | 37aa4b00 |
13 | 21212c5b |
14 | 135a9720 |
15 | b799d43 |
hex | 7d07330 |
131101488 has 120 divisors (see below), whose sum is σ = 424639488. Its totient is φ = 36982656.
The previous prime is 131101469. The next prime is 131101493. The reversal of 131101488 is 884101131.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82881 + ... + 84447.
Almost surely, 2131101488 is an apocalyptic number.
131101488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131101488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212319744).
131101488 is an abundant number, since it is smaller than the sum of its proper divisors (293538000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131101488 is a wasteful number, since it uses less digits than its factorization.
131101488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1671 (or 1662 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 27.
The square root of 131101488 is about 11449.9558077750. The cubic root of 131101488 is about 508.0064272649.
The spelling of 131101488 in words is "one hundred thirty-one million, one hundred one thousand, four hundred eighty-eight".
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