Base | Representation |
---|---|
bin | 11101110110101001001001… |
… | …101100100010010010100000 |
3 | 122012220000002022120002020100 |
4 | 131312221021230202102200 |
5 | 114202143043440302042 |
6 | 1143125351321542400 |
7 | 36440665264142502 |
oct | 3566511154422240 |
9 | 565800068502210 |
10 | 131298386650272 |
11 | 3892137335a936 |
12 | 12886610044a00 |
13 | 58355003513ca |
14 | 245cc39379d72 |
15 | 102a58ba3424c |
hex | 776a49b224a0 |
131298386650272 has 72 divisors (see below), whose sum is σ = 375314397491124. Its totient is φ = 43539361357824.
The previous prime is 131298386650271. The next prime is 131298386650303. The reversal of 131298386650272 is 272056683892131.
131298386650272 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 98 + 38 + 6 + 6 + 502 + 7 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 130712665825296 + 585720824976 = 11432964^2 + 765324^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is not an unprimeable number, because it can be changed into a prime (131298386650271) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1181025183 + ... + 1181136350.
Almost surely, 2131298386650272 is an apocalyptic number.
131298386650272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131298386650272 is an abundant number, since it is smaller than the sum of its proper divisors (244016010840852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131298386650272 is a wasteful number, since it uses less digits than its factorization.
131298386650272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2362161742 (or 2362161731 counting only the distinct ones).
The product of its (nonzero) digits is 52254720, while the sum is 63.
The spelling of 131298386650272 in words is "one hundred thirty-one trillion, two hundred ninety-eight billion, three hundred eighty-six million, six hundred fifty thousand, two hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •