Base | Representation |
---|---|
bin | 111001111001101101… |
… | …0001010100010001001 |
3 | 102212221122221001021202 |
4 | 1303303122022202021 |
5 | 4014123224303130 |
6 | 133042225513545 |
7 | 11661221263220 |
oct | 1636332124211 |
9 | 385848831252 |
10 | 124342806665 |
11 | 48808300040 |
12 | 201221a28b5 |
13 | b957b43a5c |
14 | 6038013cb7 |
15 | 337b393145 |
hex | 1cf368a889 |
124342806665 has 64 divisors (see below), whose sum is σ = 197254103040. Its totient is φ = 72848624640.
The previous prime is 124342806659. The next prime is 124342806667. The reversal of 124342806665 is 566608243421.
It is not a de Polignac number, because 124342806665 - 216 = 124342741129 is a prime.
It is a super-2 number, since 2×1243428066652 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (124342806667) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4692644 + ... + 4719066.
It is an arithmetic number, because the mean of its divisors is an integer number (3082095360).
Almost surely, 2124342806665 is an apocalyptic number.
It is an amenable number.
124342806665 is a deficient number, since it is larger than the sum of its proper divisors (72911296375).
124342806665 is a wasteful number, since it uses less digits than its factorization.
124342806665 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27182.
The product of its (nonzero) digits is 1658880, while the sum is 47.
The spelling of 124342806665 in words is "one hundred twenty-four billion, three hundred forty-two million, eight hundred six thousand, six hundred sixty-five".
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