Base | Representation |
---|---|
bin | 111000111101110000… |
… | …0101111110101110100 |
3 | 102200202110212012211012 |
4 | 1301323200233311310 |
5 | 4001013301011140 |
6 | 132110451331352 |
7 | 11560324415336 |
oct | 1617340576564 |
9 | 380673765735 |
10 | 122331266420 |
11 | 479758a1090 |
12 | 1b8605b0b58 |
13 | b6c7188a5c |
14 | 5cc6bd3456 |
15 | 32ae9a1265 |
hex | 1c7b82fd74 |
122331266420 has 48 divisors (see below), whose sum is σ = 280365019200. Its totient is φ = 44465809920.
The previous prime is 122331266413. The next prime is 122331266443. The reversal of 122331266420 is 24662133221.
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, 427916 + ... + 654044.
It is an arithmetic number, because the mean of its divisors is an integer number (5840937900).
Almost surely, 2122331266420 is an apocalyptic number.
122331266420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122331266420 is an abundant number, since it is smaller than the sum of its proper divisors (158033752780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122331266420 is a wasteful number, since it uses less digits than its factorization.
122331266420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228608 (or 228606 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 32.
Adding to 122331266420 its reverse (24662133221), we get a palindrome (146993399641).
The spelling of 122331266420 in words is "one hundred twenty-two billion, three hundred thirty-one million, two hundred sixty-six thousand, four hundred twenty".
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