Base | Representation |
---|---|
bin | 111000110100010001… |
… | …1000111101011010000 |
3 | 102122221022012202200002 |
4 | 1301220203013223100 |
5 | 3444340324334412 |
6 | 132015124345132 |
7 | 11546412263342 |
oct | 1615043075320 |
9 | 378838182602 |
10 | 122013121232 |
11 | 47822253982 |
12 | 1b791b451a8 |
13 | b6762a6b72 |
14 | 5c96859292 |
15 | 3291aaadc2 |
hex | 1c688c7ad0 |
122013121232 has 80 divisors (see below), whose sum is σ = 251667820800. Its totient is φ = 57208220160.
The previous prime is 122013121207. The next prime is 122013121253. The reversal of 122013121232 is 232121310221.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2835494 + ... + 2878202.
It is an arithmetic number, because the mean of its divisors is an integer number (3145847760).
Almost surely, 2122013121232 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122013121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125833910400).
122013121232 is an abundant number, since it is smaller than the sum of its proper divisors (129654699568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122013121232 is a wasteful number, since it uses less digits than its factorization.
122013121232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42924 (or 42918 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 122013121232 its reverse (232121310221), we get a palindrome (354134431453).
The spelling of 122013121232 in words is "one hundred twenty-two billion, thirteen million, one hundred twenty-one thousand, two hundred thirty-two".
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