Base | Representation |
---|---|
bin | 111101001001011100… |
… | …0101001111100110110 |
3 | 110112221110020001022200 |
4 | 1322102320221330312 |
5 | 4122412204004220 |
6 | 140154032405330 |
7 | 12326032003341 |
oct | 1722270517466 |
9 | 415843201280 |
10 | 131313344310 |
11 | 50764a61155 |
12 | 215486a6846 |
13 | c4c9002645 |
14 | 64d9aa1458 |
15 | 36382dc890 |
hex | 1e92e29f36 |
131313344310 has 48 divisors (see below), whose sum is σ = 347856494544. Its totient is φ = 34356194496.
The previous prime is 131313344303. The next prime is 131313344311. The reversal of 131313344310 is 13443313131.
131313344310 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 1 + 3 + 344 + 310 = 666.
It is a super-2 number, since 2×1313133443102 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131313344311) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13759732 + ... + 13769271.
It is an arithmetic number, because the mean of its divisors is an integer number (7247010303).
Almost surely, 2131313344310 is an apocalyptic number.
131313344310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131313344310 is an abundant number, since it is smaller than the sum of its proper divisors (216543150234).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131313344310 is a wasteful number, since it uses less digits than its factorization.
131313344310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27529069 (or 27529066 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 131313344310 its reverse (13443313131), we get a palindrome (144756657441).
The spelling of 131313344310 in words is "one hundred thirty-one billion, three hundred thirteen million, three hundred forty-four thousand, three hundred ten".
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