Base | Representation |
---|---|
bin | 10111011011001011… |
… | …11000101011010101 |
3 | 1012110110002100200220 |
4 | 23231211320223111 |
5 | 201223433110021 |
6 | 5435524424553 |
7 | 623434541133 |
oct | 135545705325 |
9 | 35413070626 |
10 | 12576066261 |
11 | 53739527a0 |
12 | 252b848159 |
13 | 1255600635 |
14 | 874334753 |
15 | 4d9111cc6 |
hex | 2ed978ad5 |
12576066261 has 8 divisors (see below), whose sum is σ = 18292460064. Its totient is φ = 7621858320.
The previous prime is 12576066241. The next prime is 12576066301. The reversal of 12576066261 is 16266067521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12576066261 - 27 = 12576066133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12576066241) 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, 190546426 + ... + 190546491.
It is an arithmetic number, because the mean of its divisors is an integer number (2286557508).
Almost surely, 212576066261 is an apocalyptic number.
12576066261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
12576066261 is a deficient number, since it is larger than the sum of its proper divisors (5716393803).
12576066261 is a wasteful number, since it uses less digits than its factorization.
12576066261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 381092931.
The product of its (nonzero) digits is 181440, while the sum is 42.
The spelling of 12576066261 in words is "twelve billion, five hundred seventy-six million, sixty-six thousand, two hundred sixty-one".
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