Base | Representation |
---|---|
bin | 10011111110101111… |
… | …10010110000110101 |
3 | 1000200120111212122110 |
4 | 21333113302300311 |
5 | 133432040101021 |
6 | 4532230121233 |
7 | 526551650361 |
oct | 117727626065 |
9 | 30616455573 |
10 | 10726878261 |
11 | 4605052450 |
12 | 20b44b0219 |
13 | 101c47a958 |
14 | 73a8d62a1 |
15 | 42bade476 |
hex | 27f5f2c35 |
10726878261 has 16 divisors (see below), whose sum is σ = 16106047488. Its totient is φ = 6291423600.
The previous prime is 10726878259. The next prime is 10726878269. The reversal of 10726878261 is 16287862701.
It is not a de Polignac number, because 10726878261 - 21 = 10726878259 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 10726878261.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10726878269) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5241831 + ... + 5243876.
It is an arithmetic number, because the mean of its divisors is an integer number (1006627968).
Almost surely, 210726878261 is an apocalyptic number.
10726878261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
10726878261 is a deficient number, since it is larger than the sum of its proper divisors (5379169227).
10726878261 is a wasteful number, since it uses less digits than its factorization.
10726878261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10485752.
The product of its (nonzero) digits is 451584, while the sum is 48.
The spelling of 10726878261 in words is "ten billion, seven hundred twenty-six million, eight hundred seventy-eight thousand, two hundred sixty-one".
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