Base | Representation |
---|---|
bin | 111001000000011010… |
… | …0000011011001010010 |
3 | 102200222200020012001012 |
4 | 1302000310003121102 |
5 | 4001204033311310 |
6 | 132123350010522 |
7 | 11562454433642 |
oct | 1620064033122 |
9 | 380880205035 |
10 | 122420213330 |
11 | 47a11023228 |
12 | 1b886346a42 |
13 | b70c72c56c |
14 | 5cd4948522 |
15 | 32b76c0c05 |
hex | 1c80d03652 |
122420213330 has 64 divisors (see below), whose sum is σ = 230402880000. Its totient is φ = 46796122368.
The previous prime is 122420213329. The next prime is 122420213339. The reversal of 122420213330 is 33312024221.
It is a junction number, because it is equal to n+sod(n) for n = 122420213296 and 122420213305.
It is not an unprimeable number, because it can be changed into a prime (122420213339) 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, 4116956 + ... + 4146584.
It is an arithmetic number, because the mean of its divisors is an integer number (3600045000).
Almost surely, 2122420213330 is an apocalyptic number.
122420213330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122420213330 is a deficient number, since it is larger than the sum of its proper divisors (107982666670).
122420213330 is a wasteful number, since it uses less digits than its factorization.
122420213330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29891.
The product of its (nonzero) digits is 1728, while the sum is 23.
Adding to 122420213330 its reverse (33312024221), we get a palindrome (155732237551).
The spelling of 122420213330 in words is "one hundred twenty-two billion, four hundred twenty million, two hundred thirteen thousand, three hundred thirty".
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