Base | Representation |
---|---|
bin | 10110010010111101… |
… | …11111011000011011 |
3 | 1010220020012011201102 |
4 | 23021132333120123 |
5 | 144003342411224 |
6 | 5255444342015 |
7 | 602430456263 |
oct | 131136773033 |
9 | 33806164642 |
10 | 11970278939 |
11 | 5092a01813 |
12 | 23a09a490b |
13 | 1189c597b8 |
14 | 817ac27a3 |
15 | 4a0d4e4ae |
hex | 2c97bf61b |
11970278939 has 16 divisors (see below), whose sum is σ = 12706606080. Its totient is φ = 11244919680.
The previous prime is 11970278857. The next prime is 11970278951. The reversal of 11970278939 is 93987207911.
It is a cyclic number.
It is not a de Polignac number, because 11970278939 - 220 = 11969230363 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11970278959) 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, 1363187 + ... + 1371939.
It is an arithmetic number, because the mean of its divisors is an integer number (794162880).
Almost surely, 211970278939 is an apocalyptic number.
11970278939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
11970278939 is a deficient number, since it is larger than the sum of its proper divisors (736327141).
11970278939 is a wasteful number, since it uses less digits than its factorization.
11970278939 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9370.
The product of its (nonzero) digits is 1714608, while the sum is 56.
The spelling of 11970278939 in words is "eleven billion, nine hundred seventy million, two hundred seventy-eight thousand, nine hundred thirty-nine".
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