Base | Representation |
---|---|
bin | 10110110110111111… |
… | …00010110001011110 |
3 | 1011200021201012211002 |
4 | 23123133202301132 |
5 | 200113214220130 |
6 | 5345440230302 |
7 | 613056540020 |
oct | 133337426136 |
9 | 34607635732 |
10 | 12272413790 |
11 | 522850413a |
12 | 246600b392 |
13 | 1207724210 |
14 | 845c90010 |
15 | 4bc630b45 |
hex | 2db7e2c5e |
12272413790 has 64 divisors (see below), whose sum is σ = 27532431360. Its totient is φ = 3834829440.
The previous prime is 12272413787. The next prime is 12272413799. The reversal of 12272413790 is 9731427221.
It is a super-2 number, since 2×122724137902 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12272413799) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13466 + ... + 157245.
It is an arithmetic number, because the mean of its divisors is an integer number (430194240).
Almost surely, 212272413790 is an apocalyptic number.
12272413790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12272413790 is an abundant number, since it is smaller than the sum of its proper divisors (15260017570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12272413790 is a wasteful number, since it uses less digits than its factorization.
12272413790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170817.
The product of its (nonzero) digits is 42336, while the sum is 38.
The spelling of 12272413790 in words is "twelve billion, two hundred seventy-two million, four hundred thirteen thousand, seven hundred ninety".
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