Base | Representation |
---|---|
bin | 111001000000011011… |
… | …1000110011010100100 |
3 | 102200222201201202210110 |
4 | 1302000313012122210 |
5 | 4001204234342012 |
6 | 132123415053020 |
7 | 11562464301546 |
oct | 1620067063244 |
9 | 380881652713 |
10 | 122421012132 |
11 | 47a115193a1 |
12 | 1b886671170 |
13 | b70c94c023 |
14 | 5cd4ab5696 |
15 | 32b77cc73c |
hex | 1c80dc66a4 |
122421012132 has 24 divisors (see below), whose sum is σ = 285655642272. Its totient is φ = 40806059200.
The previous prime is 122421012127. The next prime is 122421012143. The reversal of 122421012132 is 231210124221.
It is a happy number.
It is a super-2 number, since 2×1224210121322 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122421012099 and 122421012108.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593032 + ... + 772352.
It is an arithmetic number, because the mean of its divisors is an integer number (11902318428).
Almost surely, 2122421012132 is an apocalyptic number.
122421012132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122421012132 is an abundant number, since it is smaller than the sum of its proper divisors (163234630140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122421012132 is a wasteful number, since it uses less digits than its factorization.
122421012132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236219 (or 236217 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 122421012132 its reverse (231210124221), we get a palindrome (353631136353).
The spelling of 122421012132 in words is "one hundred twenty-two billion, four hundred twenty-one million, twelve thousand, one hundred thirty-two".
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