Base | Representation |
---|---|
bin | 111100010010100111… |
… | …1001101100101010000 |
3 | 110101012020201200002011 |
4 | 1320211033031211100 |
5 | 4110130240414124 |
6 | 135251320032304 |
7 | 12232323555430 |
oct | 1704517154520 |
9 | 411166650064 |
10 | 129473763664 |
11 | 4aa00622a73 |
12 | 21114602694 |
13 | c294b6489b |
14 | 63a36442c0 |
15 | 357ba66994 |
hex | 1e253cd950 |
129473763664 has 40 divisors (see below), whose sum is σ = 286715676800. Its totient is φ = 55484155008.
The previous prime is 129473763649. The next prime is 129473763667. The reversal of 129473763664 is 466367374921.
It is a junction number, because it is equal to n+sod(n) for n = 129473763599 and 129473763608.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (129473763667) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543837 + ... + 1625539.
It is an arithmetic number, because the mean of its divisors is an integer number (7167891920).
Almost surely, 2129473763664 is an apocalyptic number.
129473763664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
129473763664 is an abundant number, since it is smaller than the sum of its proper divisors (157241913136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
129473763664 is a wasteful number, since it uses less digits than its factorization.
129473763664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95867 (or 95861 counting only the distinct ones).
The product of its digits is 27433728, while the sum is 58.
The spelling of 129473763664 in words is "one hundred twenty-nine billion, four hundred seventy-three million, seven hundred sixty-three thousand, six hundred sixty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •