Base | Representation |
---|---|
bin | 111101010101101101… |
… | …1111111011110000110 |
3 | 110121000011022120100110 |
4 | 1322223123333132012 |
5 | 4124233131320203 |
6 | 140302545253450 |
7 | 12342163145604 |
oct | 1725333773606 |
9 | 417004276313 |
10 | 131725260678 |
11 | 50956526000 |
12 | 21642634286 |
13 | c563456b3b |
14 | 6538688874 |
15 | 365e556d03 |
hex | 1eab6ff786 |
131725260678 has 64 divisors (see below), whose sum is σ = 292590964224. Its totient is φ = 39528957600.
The previous prime is 131725260659. The next prime is 131725260703. The reversal of 131725260678 is 876062527131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742488 + ... + 902628.
It is an arithmetic number, because the mean of its divisors is an integer number (4571733816).
Almost surely, 2131725260678 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131725260678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146295482112).
131725260678 is an abundant number, since it is smaller than the sum of its proper divisors (160865703546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131725260678 is a wasteful number, since it uses less digits than its factorization.
131725260678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 160282 (or 160260 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 48.
The spelling of 131725260678 in words is "one hundred thirty-one billion, seven hundred twenty-five million, two hundred sixty thousand, six hundred seventy-eight".
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