Base | Representation |
---|---|
bin | 111011101001001100… |
… | …0011111011111110101 |
3 | 110020121101001110221120 |
4 | 1313102120133133311 |
5 | 4044303410444123 |
6 | 134501341534153 |
7 | 12153014244123 |
oct | 1672230373765 |
9 | 406541043846 |
10 | 128083687413 |
11 | 4a3579a2120 |
12 | 209a6b74359 |
13 | c102b7c066 |
14 | 62b0b96913 |
15 | 34e99d22e3 |
hex | 1dd261f7f5 |
128083687413 has 16 divisors (see below), whose sum is σ = 187124276736. Its totient is φ = 77284505840.
The previous prime is 128083687351. The next prime is 128083687427. The reversal of 128083687413 is 314786380821.
It is a cyclic number.
It is not a de Polignac number, because 128083687413 - 218 = 128083425269 is a prime.
It is a super-2 number, since 2×1280836874132 (a number of 23 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128083688413) 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, 8541681 + ... + 8556662.
It is an arithmetic number, because the mean of its divisors is an integer number (11695267296).
Almost surely, 2128083687413 is an apocalyptic number.
It is an amenable number.
128083687413 is a deficient number, since it is larger than the sum of its proper divisors (59040589323).
128083687413 is a wasteful number, since it uses less digits than its factorization.
128083687413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17098584.
The product of its (nonzero) digits is 1548288, while the sum is 51.
The spelling of 128083687413 in words is "one hundred twenty-eight billion, eighty-three million, six hundred eighty-seven thousand, four hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •