Base | Representation |
---|---|
bin | 111000110100100001… |
… | …0010111011000010111 |
3 | 102122221212121220022201 |
4 | 1301221002113120113 |
5 | 3444344423441043 |
6 | 132020020105331 |
7 | 11546542016242 |
oct | 1615102273027 |
9 | 378855556281 |
10 | 122021312023 |
11 | 47826938826 |
12 | 1b794835247 |
13 | b677bb40a0 |
14 | 5c9798c259 |
15 | 3292677c4d |
hex | 1c69097617 |
122021312023 has 8 divisors (see below), whose sum is σ = 138323754800. Its totient is φ = 106706896128.
The previous prime is 122021311921. The next prime is 122021312053. The reversal of 122021312023 is 320213120221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-122021312023 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122021312053) 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, 247006458 + ... + 247006951.
It is an arithmetic number, because the mean of its divisors is an integer number (17290469350).
Almost surely, 2122021312023 is an apocalyptic number.
122021312023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
122021312023 is a deficient number, since it is larger than the sum of its proper divisors (16302442777).
122021312023 is a wasteful number, since it uses less digits than its factorization.
122021312023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494013441.
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 122021312023 its reverse (320213120221), we get a palindrome (442234432244).
The spelling of 122021312023 in words is "one hundred twenty-two billion, twenty-one million, three hundred twelve thousand, twenty-three".
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