Base | Representation |
---|---|
bin | 10110101100000100… |
… | …11001001000010110 |
3 | 1011102220111010100100 |
4 | 23112002121020112 |
5 | 144421301323123 |
6 | 5332410354530 |
7 | 610565552166 |
oct | 132602311026 |
9 | 34386433310 |
10 | 12180886038 |
11 | 5190879a72 |
12 | 243b42ba46 |
13 | 11c1788a99 |
14 | 837a665a6 |
15 | 4b45a1643 |
hex | 2d6099216 |
12180886038 has 24 divisors (see below), whose sum is σ = 26401825008. Its totient is φ = 4058771472.
The previous prime is 12180885953. The next prime is 12180886093. The reversal of 12180886038 is 83068808121.
It is a junction number, because it is equal to n+sod(n) for n = 12180885984 and 12180886002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77170 + ... + 174117.
It is an arithmetic number, because the mean of its divisors is an integer number (1100076042).
Almost surely, 212180886038 is an apocalyptic number.
12180886038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
12180886038 is an abundant number, since it is smaller than the sum of its proper divisors (14220938970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12180886038 is a wasteful number, since it uses less digits than its factorization.
12180886038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 253988 (or 253985 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 45.
The spelling of 12180886038 in words is "twelve billion, one hundred eighty million, eight hundred eighty-six thousand, thirty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •