Base | Representation |
---|---|
bin | 110111111111001010… |
… | …0111111010100111011 |
3 | 102111100002220020222202 |
4 | 1233332110333110323 |
5 | 3432213121011443 |
6 | 131122224140415 |
7 | 11454302624306 |
oct | 1577624772473 |
9 | 374302806882 |
10 | 120231032123 |
11 | 46a98312a64 |
12 | 1b37516770b |
13 | b451018377 |
14 | 5b67cc5b3d |
15 | 31da3de7b8 |
hex | 1bfe53f53b |
120231032123 has 4 divisors (see below), whose sum is σ = 120251593800. Its totient is φ = 120210470448.
The previous prime is 120231032113. The next prime is 120231032167. The reversal of 120231032123 is 321230132021.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321230132021 = 5167 ⋅62169563.
It is a cyclic number.
It is not a de Polignac number, because 120231032123 - 24 = 120231032107 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 120231032095 and 120231032104.
It is not an unprimeable number, because it can be changed into a prime (120231032113) 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, 10272065 + ... + 10283762.
It is an arithmetic number, because the mean of its divisors is an integer number (30062898450).
Almost surely, 2120231032123 is an apocalyptic number.
120231032123 is a deficient number, since it is larger than the sum of its proper divisors (20561677).
120231032123 is an equidigital number, since it uses as much as digits as its factorization.
120231032123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20561676.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 120231032123 its reverse (321230132021), we get a palindrome (441461164144).
The spelling of 120231032123 in words is "one hundred twenty billion, two hundred thirty-one million, thirty-two thousand, one hundred twenty-three".
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