Base | Representation |
---|---|
bin | 111001000111100011… |
… | …1100100011011110100 |
3 | 102201121101211022011022 |
4 | 1302033013210123310 |
5 | 4002202003213140 |
6 | 132203242000312 |
7 | 11601430404626 |
oct | 1621707443364 |
9 | 381541738138 |
10 | 122660210420 |
11 | 48024544630 |
12 | 1b9327a6098 |
13 | b74a37bc87 |
14 | 5d1877cc16 |
15 | 32cd7cb0b5 |
hex | 1c8f1e46f4 |
122660210420 has 48 divisors (see below), whose sum is σ = 281027892096. Its totient is φ = 44599824000.
The previous prime is 122660210401. The next prime is 122660210549. The reversal of 122660210420 is 24012066221.
It is a self number, because there is not a number n which added to its sum of digits gives 122660210420.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4063985 + ... + 4094055.
It is an arithmetic number, because the mean of its divisors is an integer number (5854747752).
Almost surely, 2122660210420 is an apocalyptic number.
122660210420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122660210420 is an abundant number, since it is smaller than the sum of its proper divisors (158367681676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122660210420 is a wasteful number, since it uses less digits than its factorization.
122660210420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48632 (or 48630 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 122660210420 its reverse (24012066221), we get a palindrome (146672276641).
The spelling of 122660210420 in words is "one hundred twenty-two billion, six hundred sixty million, two hundred ten thousand, four hundred twenty".
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