Base | Representation |
---|---|
bin | 111000110111011111… |
… | …1011101100011010000 |
3 | 102200012211121110021212 |
4 | 1301232333131203100 |
5 | 4000101012323120 |
6 | 132033545235252 |
7 | 11552164123151 |
oct | 1615677354320 |
9 | 380184543255 |
10 | 122121214160 |
11 | 47878272780 |
12 | 1b802192b28 |
13 | b6927c218a |
14 | 5ca6d55928 |
15 | 329b30d6c5 |
hex | 1c6efdd8d0 |
122121214160 has 40 divisors (see below), whose sum is σ = 309743809056. Its totient is φ = 44407713920.
The previous prime is 122121214153. The next prime is 122121214169. The reversal of 122121214160 is 61412121221.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122121214169) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69386174 + ... + 69387933.
Almost surely, 2122121214160 is an apocalyptic number.
122121214160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122121214160 is an abundant number, since it is smaller than the sum of its proper divisors (187622594896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122121214160 is a wasteful number, since it uses less digits than its factorization.
122121214160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138774131 (or 138774125 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 23.
Adding to 122121214160 its reverse (61412121221), we get a palindrome (183533335381).
The spelling of 122121214160 in words is "one hundred twenty-two billion, one hundred twenty-one million, two hundred fourteen thousand, one hundred sixty".
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