Base | Representation |
---|---|
bin | 111000111110001011… |
… | …0101010100010011010 |
3 | 102200210110110022002200 |
4 | 1301330112222202122 |
5 | 4001030410303344 |
6 | 132112114311030 |
7 | 11560555513443 |
oct | 1617426524232 |
9 | 380713408080 |
10 | 122345400474 |
11 | 47982875220 |
12 | 1b865288476 |
13 | b6ca0971bb |
14 | 5cc8a322ca |
15 | 32b0d44069 |
hex | 1c7c5aa89a |
122345400474 has 96 divisors (see below), whose sum is σ = 303287048064. Its totient is φ = 35282163840.
The previous prime is 122345400473. The next prime is 122345400479. The reversal of 122345400474 is 474004543221.
122345400474 is a `hidden beast` number, since 12 + 2 + 34 + 540 + 0 + 4 + 74 = 666.
It is not an unprimeable number, because it can be changed into a prime (122345400473) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 828952 + ... + 965324.
It is an arithmetic number, because the mean of its divisors is an integer number (3159240084).
Almost surely, 2122345400474 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122345400474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151643524032).
122345400474 is an abundant number, since it is smaller than the sum of its proper divisors (180941647590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122345400474 is a wasteful number, since it uses less digits than its factorization.
122345400474 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 136612 (or 136609 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 36.
Adding to 122345400474 its reverse (474004543221), we get a palindrome (596349943695).
The spelling of 122345400474 in words is "one hundred twenty-two billion, three hundred forty-five million, four hundred thousand, four hundred seventy-four".
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