Base | Representation |
---|---|
bin | 10111111111001001… |
… | …11101010100111010 |
3 | 1020020110212200110220 |
4 | 23333210331110322 |
5 | 202333210004200 |
6 | 5525504120510 |
7 | 634060414314 |
oct | 137744752472 |
9 | 36213780426 |
10 | 12877813050 |
11 | 550920a603 |
12 | 25b4906136 |
13 | 12a2c9052b |
14 | 8a24407b4 |
15 | 5058684a0 |
hex | 2ff93d53a |
12877813050 has 24 divisors (see below), whose sum is σ = 31936976736. Its totient is φ = 3434083440.
The previous prime is 12877813019. The next prime is 12877813063. The reversal of 12877813050 is 5031877821.
It is a junction number, because it is equal to n+sod(n) for n = 12877812993 and 12877813011.
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, 42925894 + ... + 42926193.
It is an arithmetic number, because the mean of its divisors is an integer number (1330707364).
Almost surely, 212877813050 is an apocalyptic number.
12877813050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12877813050 is an abundant number, since it is smaller than the sum of its proper divisors (19059163686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12877813050 is a wasteful number, since it uses less digits than its factorization.
12877813050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85852102 (or 85852097 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 42.
The spelling of 12877813050 in words is "twelve billion, eight hundred seventy-seven million, eight hundred thirteen thousand, fifty".
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