Base | Representation |
---|---|
bin | 111001001101110100… |
… | …0101100010100100100 |
3 | 102202011000222220020102 |
4 | 1302123220230110210 |
5 | 4003114234020233 |
6 | 132240143123232 |
7 | 11606560431641 |
oct | 1623350542444 |
9 | 382130886212 |
10 | 122870220068 |
11 | 48122043a22 |
12 | 1b990ba3518 |
13 | b781a2c33b |
14 | 5d38608dc8 |
15 | 32e1e611e8 |
hex | 1c9ba2c524 |
122870220068 has 12 divisors (see below), whose sum is σ = 227671290252. Its totient is φ = 57821280000.
The previous prime is 122870220061. The next prime is 122870220071. The reversal of 122870220068 is 860022078221.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 64094036224 + 58776183844 = 253168^2 + 242438^2 .
It is not an unprimeable number, because it can be changed into a prime (122870220061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903457433 + ... + 903457568.
It is an arithmetic number, because the mean of its divisors is an integer number (18972607521).
Almost surely, 2122870220068 is an apocalyptic number.
It is an amenable number.
122870220068 is a deficient number, since it is larger than the sum of its proper divisors (104801070184).
122870220068 is a wasteful number, since it uses less digits than its factorization.
122870220068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1806915022 (or 1806915020 counting only the distinct ones).
The product of its (nonzero) digits is 43008, while the sum is 38.
Adding to 122870220068 its reverse (860022078221), we get a palindrome (982892298289).
The spelling of 122870220068 in words is "one hundred twenty-two billion, eight hundred seventy million, two hundred twenty thousand, sixty-eight".
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