Base | Representation |
---|---|
bin | 111101010000010101… |
… | …1001010000100010110 |
3 | 110120112120112110122122 |
4 | 1322200223022010112 |
5 | 4123400414434440 |
6 | 140233015055542 |
7 | 12334541250422 |
oct | 1724053120426 |
9 | 416476473578 |
10 | 131544686870 |
11 | 50873601253 |
12 | 215b20715b2 |
13 | c534c11a2c |
14 | 651c6c1b82 |
15 | 364d7887b5 |
hex | 1ea0aca116 |
131544686870 has 32 divisors (see below), whose sum is σ = 237417595776. Its totient is φ = 52476480000.
The previous prime is 131544686831. The next prime is 131544686873. The reversal of 131544686870 is 78686445131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131544686873) 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, 5703602 + ... + 5726618.
It is an arithmetic number, because the mean of its divisors is an integer number (7419299868).
Almost surely, 2131544686870 is an apocalyptic number.
131544686870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131544686870 is a deficient number, since it is larger than the sum of its proper divisors (105872908906).
131544686870 is a wasteful number, since it uses less digits than its factorization.
131544686870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24536.
The product of its (nonzero) digits is 3870720, while the sum is 53.
The spelling of 131544686870 in words is "one hundred thirty-one billion, five hundred forty-four million, six hundred eighty-six thousand, eight hundred seventy".
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