Base | Representation |
---|---|
bin | 1110101000100… |
… | …10110110101100 |
3 | 22112222212220122 |
4 | 13110102312230 |
5 | 222411314440 |
6 | 20103104112 |
7 | 3020306453 |
oct | 724226654 |
9 | 275885818 |
10 | 122760620 |
11 | 63327964 |
12 | 35142038 |
13 | 1c582628 |
14 | 12437b9a |
15 | ab9d7b5 |
hex | 7512dac |
122760620 has 48 divisors (see below), whose sum is σ = 267321600. Its totient is φ = 47304960.
The previous prime is 122760593. The next prime is 122760623. The reversal of 122760620 is 26067221.
It is a self number, because there is not a number n which added to its sum of digits gives 122760620.
It is not an unprimeable number, because it can be changed into a prime (122760623) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240926 + ... + 241434.
It is an arithmetic number, because the mean of its divisors is an integer number (5569200).
Almost surely, 2122760620 is an apocalyptic number.
122760620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122760620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133660800).
122760620 is an abundant number, since it is smaller than the sum of its proper divisors (144560980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122760620 is a wasteful number, since it uses less digits than its factorization.
122760620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 938 (or 936 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 26.
The square root of 122760620 is about 11079.7391666050. The cubic root of 122760620 is about 496.9961499080.
The spelling of 122760620 in words is "one hundred twenty-two million, seven hundred sixty thousand, six hundred twenty".
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