Base | Representation |
---|---|
bin | 10111000101101000… |
… | …00000110010100111 |
3 | 1011222211210102110020 |
4 | 23202310000302213 |
5 | 200341134021020 |
6 | 5405544330223 |
7 | 616110430014 |
oct | 134264006247 |
9 | 34884712406 |
10 | 12395220135 |
11 | 5290862391 |
12 | 249b173973 |
13 | 1226cc15ac |
14 | 8582da70b |
15 | 4c82dcc40 |
hex | 2e2d00ca7 |
12395220135 has 16 divisors (see below), whose sum is σ = 19834192896. Its totient is φ = 6610170528.
The previous prime is 12395220127. The next prime is 12395220137. The reversal of 12395220135 is 53102259321.
It is not a de Polignac number, because 12395220135 - 23 = 12395220127 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12395220096 and 12395220105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12395220137) 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, 162642 + ... + 226368.
It is an arithmetic number, because the mean of its divisors is an integer number (1239637056).
Almost surely, 212395220135 is an apocalyptic number.
12395220135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12395220135 is a deficient number, since it is larger than the sum of its proper divisors (7438972761).
12395220135 is a wasteful number, since it uses less digits than its factorization.
12395220135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76702.
The product of its (nonzero) digits is 16200, while the sum is 33.
Adding to 12395220135 its reverse (53102259321), we get a palindrome (65497479456).
The spelling of 12395220135 in words is "twelve billion, three hundred ninety-five million, two hundred twenty thousand, one hundred thirty-five".
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