Base | Representation |
---|---|
bin | 111101011000000000… |
… | …1111101100000101110 |
3 | 110121012112022201222011 |
4 | 1322300001331200232 |
5 | 4124412343313430 |
6 | 140314341111434 |
7 | 12344120155222 |
oct | 1726001754056 |
9 | 417175281864 |
10 | 131802322990 |
11 | 50995a80068 |
12 | 216643b857a |
13 | c5763c9040 |
14 | 65449c8782 |
15 | 36661ca22a |
hex | 1eb007d82e |
131802322990 has 32 divisors (see below), whose sum is σ = 255573672480. Its totient is φ = 48650246784.
The previous prime is 131802322979. The next prime is 131802322997. The reversal of 131802322990 is 99223208131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131802322997) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262777 + ... + 576763.
It is an arithmetic number, because the mean of its divisors is an integer number (7986677265).
Almost surely, 2131802322990 is an apocalyptic number.
131802322990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131802322990 is a deficient number, since it is larger than the sum of its proper divisors (123771349490).
131802322990 is a wasteful number, since it uses less digits than its factorization.
131802322990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 317236.
The product of its (nonzero) digits is 46656, while the sum is 40.
The spelling of 131802322990 in words is "one hundred thirty-one billion, eight hundred two million, three hundred twenty-two thousand, nine hundred ninety".
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