Base | Representation |
---|---|
bin | 111000111010101111… |
… | …1010010100010111010 |
3 | 102200111102201120112201 |
4 | 1301311133102202322 |
5 | 4000311414032421 |
6 | 132052441500414 |
7 | 11554656510256 |
oct | 1616537224272 |
9 | 380442646481 |
10 | 122230220986 |
11 | 47923856165 |
12 | 1b8327a170a |
13 | b6ac26a463 |
14 | 5cb760d266 |
15 | 32a5b91b91 |
hex | 1c757d28ba |
122230220986 has 4 divisors (see below), whose sum is σ = 183345331482. Its totient is φ = 61115110492.
The previous prime is 122230220977. The next prime is 122230220989. The reversal of 122230220986 is 689022032221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689022032221 = 1297 ⋅531242893.
It can be written as a sum of positive squares in only one way, i.e., 105020716761 + 17209504225 = 324069^2 + 131185^2 .
It is not an unprimeable number, because it can be changed into a prime (122230220989) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30557555245 + ... + 30557555248.
Almost surely, 2122230220986 is an apocalyptic number.
122230220986 is a deficient number, since it is larger than the sum of its proper divisors (61115110496).
122230220986 is an equidigital number, since it uses as much as digits as its factorization.
122230220986 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61115110495.
The product of its (nonzero) digits is 41472, while the sum is 37.
The spelling of 122230220986 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred twenty thousand, nine hundred eighty-six".
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