Base | Representation |
---|---|
bin | 111101001011010101… |
… | …0100000110000000000 |
3 | 110120002212112011100212 |
4 | 1322112222200300000 |
5 | 4123024421323342 |
6 | 140204215333252 |
7 | 12330431624360 |
oct | 1722652406000 |
9 | 416085464325 |
10 | 131376745472 |
11 | 50797825405 |
12 | 21565981228 |
13 | c5091a071b |
14 | 65042869a0 |
15 | 363db63182 |
hex | 1e96aa0c00 |
131376745472 has 88 divisors (see below), whose sum is σ = 302133269760. Its totient is φ = 55930982400.
The previous prime is 131376745463. The next prime is 131376745483. The reversal of 131376745472 is 274547673131.
It is a self number, because there is not a number n which added to its sum of digits gives 131376745472.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021679 + ... + 1143057.
Almost surely, 2131376745472 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131376745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151066634880).
131376745472 is an abundant number, since it is smaller than the sum of its proper divisors (170756524288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131376745472 is a wasteful number, since it uses less digits than its factorization.
131376745472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121557 (or 121539 counting only the distinct ones).
The product of its digits is 2963520, while the sum is 50.
The spelling of 131376745472 in words is "one hundred thirty-one billion, three hundred seventy-six million, seven hundred forty-five thousand, four hundred seventy-two".
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