Base | Representation |
---|---|
bin | 111101011100001111… |
… | …1011001011011101100 |
3 | 110121120102101202011222 |
4 | 1322320133121123230 |
5 | 4130210212213020 |
6 | 140340411202512 |
7 | 12350462452604 |
oct | 1727037313354 |
9 | 417512352158 |
10 | 131944257260 |
11 | 50a59103412 |
12 | 216a3a46438 |
13 | c59993290a |
14 | 65597b3c04 |
15 | 36738b4b25 |
hex | 1eb87d96ec |
131944257260 has 24 divisors (see below), whose sum is σ = 277184587680. Its totient is φ = 52758341504.
The previous prime is 131944257227. The next prime is 131944257287. The reversal of 131944257260 is 62752449131.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154144 + ... + 1263303.
It is an arithmetic number, because the mean of its divisors is an integer number (11549357820).
Almost surely, 2131944257260 is an apocalyptic number.
131944257260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131944257260 is an abundant number, since it is smaller than the sum of its proper divisors (145240330420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131944257260 is a wasteful number, since it uses less digits than its factorization.
131944257260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2420185 (or 2420183 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 44.
The spelling of 131944257260 in words is "one hundred thirty-one billion, nine hundred forty-four million, two hundred fifty-seven thousand, two hundred sixty".
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