Base | Representation |
---|---|
bin | 1110100101000… |
… | …11001000110111 |
3 | 22112010122012220 |
4 | 13102203020313 |
5 | 222302144111 |
6 | 20045213423 |
7 | 3013362414 |
oct | 722431067 |
9 | 275118186 |
10 | 122303031 |
11 | 63045094 |
12 | 34b61273 |
13 | 1c452276 |
14 | 1235910b |
15 | ab0ce06 |
hex | 74a3237 |
122303031 has 4 divisors (see below), whose sum is σ = 163070712. Its totient is φ = 81535352.
The previous prime is 122303023. The next prime is 122303039. The reversal of 122303031 is 130303221.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (122303023) and next prime (122303039).
It is a cyclic number.
It is not a de Polignac number, because 122303031 - 23 = 122303023 is a prime.
It is a super-2 number, since 2×1223030312 = 29916062783573922, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 122303031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122303039) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20383836 + ... + 20383841.
It is an arithmetic number, because the mean of its divisors is an integer number (40767678).
Almost surely, 2122303031 is an apocalyptic number.
122303031 is a deficient number, since it is larger than the sum of its proper divisors (40767681).
122303031 is an equidigital number, since it uses as much as digits as its factorization.
122303031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40767680.
The product of its (nonzero) digits is 108, while the sum is 15.
The square root of 122303031 is about 11059.0700784469. The cubic root of 122303031 is about 496.3778649716.
Adding to 122303031 its reverse (130303221), we get a palindrome (252606252).
The spelling of 122303031 in words is "one hundred twenty-two million, three hundred three thousand, thirty-one".
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