Base | Representation |
---|---|
bin | 1001001001101000010111… |
… | …11111100110010101011111 |
3 | 2122020122201100102212002111 |
4 | 10210310023333212111133 |
5 | 10114140101442100411 |
6 | 110443550425534451 |
7 | 4144526652306034 |
oct | 444641377462537 |
9 | 78218640385074 |
10 | 20122123003231 |
11 | 6458820941987 |
12 | 230b976344427 |
13 | b2c67b281322 |
14 | 4d7cb751b38b |
15 | 24d6513e9721 |
hex | 124d0bfe655f |
20122123003231 has 8 divisors (see below), whose sum is σ = 20125463070960. Its totient is φ = 20118783218688.
The previous prime is 20122123003187. The next prime is 20122123003237. The reversal of 20122123003231 is 13230032122102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20122123003231 - 219 = 20122122478943 is a prime.
It is a super-2 number, since 2×201221230032312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20122123003237) 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, 176767825 + ... + 176881621.
It is an arithmetic number, because the mean of its divisors is an integer number (2515682883870).
Almost surely, 220122123003231 is an apocalyptic number.
20122123003231 is a deficient number, since it is larger than the sum of its proper divisors (3340067729).
20122123003231 is a wasteful number, since it uses less digits than its factorization.
20122123003231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 141593.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20122123003231 its reverse (13230032122102), we get a palindrome (33352155125333).
The spelling of 20122123003231 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-three million, three thousand, two hundred thirty-one".
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